In total, 17 people, including Telangana Chief Minister and Congress leader Revanth Reddy, have been issued notices to appear before the Delhi police's investigation officer (in connection with the case. Sources, however, said Reddy is "unlikely" to join the probe and may send his representative.
Plumes of smoke could be seen billowing from the spot. A purported video of the aftermath of the explosion also surfaced on social media showing thick dense white smoke.
The summons were sent to Singham recently on his personal email ID and also through the Chinese diplomatic channels after the ED routed them through the ministry of external affairs, the officials said.
Soon after the Delhi police recovered an improvised explosive device from the city's Ghazipur flower market on Friday, the special cell said that the suspects had done a detailed recce of the spot where the explosive was recovered.
The mystery over missing actor Gurucharan Singh, who played Roshan Singh Sodhi's character in TV serial Taarak Mehta Ka Ooltah Chashmah, has deepened as the Delhi police has found that the actor was using 27 separate email accounts in the fear of being "surveillanced" by someone.
In identical public notices published in local newspapers, they distanced themselves from separatist politics.
Police have launched a probe into the killing of former Maharashtra minister Baba Siddique from different angles, including a possible contract killing, business rivalry or threat over a slum rehabilitation project, officials said on Sunday.
Security agencies searched over 100 hospitals and malls in the national capital after they received bomb threat emails on Tuesday. However, it turned out to be a hoax as nothing suspicious was found, officials said.
"The new structure will substantially reduce taxes on the middle class and leave more money in their hands, boosting household consumption, savings and investment," Sitharaman said presenting what was dubbed as 'reformist' budget for the next fiscal in Lok Sabha.
The Supreme Court on Wednesday granted liberty to Alt News co-founder Mohammad Zubair to approach the Delhi high court for quashing of the FIR lodged against him at Sitapur in Uttar Pradesh.
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The move came a day after the Delhi police filed a first information report (FIR) in connection with the incident.
The second cyber attack on AIIMS took place just last fortnight, but the hospital's cyber security systems were able to successfully thwart this attempt.
Several burnt parts of phones allegedly belonging to the accused involved in the Parliament security breach incident have been recovered from Rajasthan, police sources said on Sunday.
A 9 mm pistol along with 10 live cartridges, a 30 mm pistol with nine live cartridges, three police uniforms of Punjab Police and two mobile handsets along with a dongle and SIM card have been seized from their possession, police said.
The Delhi Police said it has conducted a thorough check of all schools that received the bomb threat but found nothing.
The Parliament security breach on Wednesday was well-coordinated, meticulously planned and carried out by six accused, five of whom have been nabbed, police sources said on Wednesday.
He said the Constitution provides for the right to silence, which means an individual can refuse to answer questions from the police in case of arrest or detention.
Three suspected shooters were nabbed in Punjab's Patiala district early on Friday in connection with the killing of a Dera Sacha Sauda follower a day ago, the police said.
Delhi Minister Satyendar Jain has been getting special treatment inside the Tihar Jail, sources said quoting an affidavit filed by the Enforcement Directorate in the trial court as he meets with his wife regularly.
"Five grenades and two automatic pistols have been recovered from his possession. He is being brought to the national capital and his police custody remand will be sought," police said.
The submission was made before additional sessions judge Hardeep Kaur, who extended the judicial custody of all the six accused till March 1.
Three people including gangster Jitendra Gogi were killed in a shootout on Friday at Delhi's Rohini court, the police said.
A CCTV footage has surfaced on social media showing passengers crowding and jostling to board an unreserved express train at Bandra Terminus, which led to a stampede that left 10 persons injured.
Neighbours of Lalit were surprised to see his images on news channels, recalling him as a reserved individual who seldom engaged with the community at Burrabazar in Kolkata.
A man and a woman were detained on Wednesday while they were protesting outside the Parliament building carrying cans that emitted a yellowish and red smoke, the police said in New Delhi.
Singh and another accused in the case -- Irfan Shafi Mir -- were granted the relief by the court in a case filed by special cell of Delhi Police, noting that the probe agency failed to file chargesheet within 90 days from his arrest, as prescribed under law.
According to the police, one of the accused had made IEDs and later tested them at several places in Delhi, Rajasthan and Haldwani in Uttarakhand.
The police officials said all the five accused will have to undergo the polygraph test, while Sagar and Manoranjan will have to undergo additional naro-analysis and brain mapping tests.
A senior police officer said unidentified people wrote ''Delhi Banega Khalistan" and "Khalistan Zindabad'' on the walls of at least five Delhi Metro stations.
The Congress on Sunday demanded a thorough probe into Siddique's murder and said Maharashtra Chief Minister Eknath Shinde and his deputy Devendra Fadnavis, who holds home portfolio, should take moral responsibility for law and order "failure" and resign.
The sources claimed that one of those arrested is believed to be Arsh Dalla, who is associated with the banned Khalistan Tiger Force and ran terror modules on behalf of Hardeep Singh Nijjar, a designated terrorist who was killed in June last year.
A preliminary enquiry into the complaint is still being carried out by the Delhi Police's Special Cell team and no FIR has been registered in the matter yet, officials said.
The officer said further investigation and forensic analysis will be done after the mobile handset and details of the seizure are received from Tihar Jail authorities.
IEDs found in a Seemapuri house on Thursday and at the Ghazipur market last month were prepared with the intention of carrying out blasts at public places across the city, according to Delhi Police Commissioner Rakesh Asthana.
Visitors at the public gallery of Lok Sabha on Wednesday said the two protesters who jumped into the House's chamber were sitting quietly and disrupted the proceedings "all of a sudden".
HS Dhaliwal, special commissioner of police, special cell, told media that the singer's death was an organised and brazen killing.
The accused were also allegedly involved in the recent murder of another person in Madhya Pradesh's Gwalior.