Here is the chronology of events of the case.
During searches conducted in Kozikhode and Kannur districts of Kerala these six people were arrested, the spokesman said. Five of them were arrested when they were allegedly conducting a meeting at Kanakamala hilltop in Kannur district.
The Kerala police on Tuesday claim they have arrested Kari Satheeshan, the prime accused in the Paul Muthoot murder case. Paul was the son of Muthoot M George, managing director of the Rs 20,000 crore Muthoot group of companies. Though the police claim Satheeshan has confessed to his crime, political parties have accused the police of trying to cover up the facts.
According to the police, George was murdered by the gang on 'sudden provocation' following a scuffle after his car hit and injured a motorcyclist on the Alappuzha-Changanassery road.
More arrests will be made in the sensational murder of a leading businessman's son, the Kerala police have said.
Two suspected Students Islamic Movement of India activists, arrested for allegedly attending a secret training camp held by the outfit in Wagamon, Kerala in 2007, would be taken on Wednesday to the place where they had attended the camp. Shibili and Hafeez, who were recently handed over to a Kerala police team by the Madhya Pradesh police, would be produced before the Kanjirapally First Class Magistrate Court. They will then be taken to Kolahalamedu and Thangalpara.
Jonathan Bond, a Swiss national, was detained by the Kerala police for attending a memorial function in Thrissur organised for Sinoj, a suspected Maoist who was killed while making bombs in Andhra Pradesh. The police allege that Bond spoke during the memorial function held in a private hall in Thriprayar, Thrissur on July 28.
Bharatiya Janata Party leader L K Advani clarified on Thursday that neither he nor his party had any role in the recent controversy where two Muslim drivers of Kerala Police were allegedly removed from his motorcade and said his party did not believe in discrimination on the basis of religion.
The police and the security agencies hunting for a key Lashkar-e-Taiba operative with links in Kashmir, finally caught up with him in Hyderabad.
A youth, who has allegedly sent an e-mail threatening the life of Congress president Sonia Gandhi, is being questioned by Kerala police.
Investigations revealed that Nadir had created obscene profiles of lady teachers and posted them on Orkut, Google's social networking website, with fake photographs, along with their phone numbers.
'How can the police say that she alone has committed the crime and no other person has done it?'
Three Naval personnel, including a Lt Commander, were arrested by the Kerala police on Thursday night for allegedly attacking the Harbour police station following a clash with the local police.
'We will soon come back to Kerala to visit Sabarimala but we will not declare it in advance and come'
Vicky Nanjappa reports on the interrogation report of Shakeel Ahmed, a middleman who was arrested recently in the Kerala child trafficking case in which over 500 children were rescued.
The 'erring' policemen would be sent for intensive refresher training as part of the departmental action.
Achuthanandan will be done away within 24 hours, an anonymous caller informed a constable on duty at 0410 hours on Monday over phone, Police Commissioner Balramkumar Upadhaya said.
Rajasthan Director General of Police Omendra Bhardwaj has emerged as the front-runner for the post of Central Bureau of Investigation chief in place of Ranjit Sinha who retires at midnight on Tuesday night.
Kerala police on Sunday arrested four Central Industrial Security Force personnel in connection with destruction of property during the June 10 clash at Karipur airport.
Ernakulam Principal Sessions court judge N Anil Kumar awarded the death penalty to Ameerul Islam, a migrant labourer from Assam, for committing murder of the law student at nearby Perumbavoor.
He was arrested based on evidence police gathered during the process of investigation into the case.
The dean said: "She appeared to be relieved from depression after talking to him (husband). There is no restriction imposed on her to talk or to meet anybody."
Principal Kannan said no special treatment will be accorded to Hadiya at the hostel.
The probe has found that the route-deviation of the motorcade was due to a slip-up in communication between the pilot officer and the driver.
The family accommodated Fahad at their residence at Peruvayal in the district, even after his 45-day visit visa expired.
During the hearing, which went for over two hours, the woman said she wanted to go with her husband Shafin Jahan.
The action came a day after party vice president Rahul Gandhi condemned the public slaughter of the animal.
Further inquiries will be made to ascertain whether Raj had any links with any organisation.
The police are questioning four persons, including the owner of the cyber cafe from where the e-mail was sent to various senior officials of the state.
The National Investigation Agency will file a chargesheet against two Italian marines, accused of killing two Kerala fishermen, after getting sanction to prosecute them under a law which provides only death penalty.
The National Investigation Agency has arrested an operative of the banned Students Islamic Movement of India, Abdul Sathar, in connection with a 2010 probe in the unlawful training of SIMI cadres in Kerala.
The court premises witnessed high drama as the police forcefully took the duo into custody from the court complex.
Police said 34-year-old Rajesh's left hand was chopped off in the attack which took place around 9 pm on Saturday night.
Bindu from Malappuram and Durga of Kozhikode were trying hard to become part of history by trying to enter the shrine under heavy police protection.
A bench of Chief Justice Ranjan Gogoi and Justices L N Rao and Dinesh Maheshwari said it was only going into the aspect of security of the two women -- Bindu and Kanakadurga, and would not like to entertain any other prayer made in the petition.
The 18-month-old animal was butchered in an open vehicle as Youth Congress workers raised slogans against the Centre's decision to ban sale of cattle for slaughter.
Shoaib Pottanikal, 49, was arrested by a team of Ahmedabad Crime Branch sleuths
Engineering student Hemanth Joseph, who bypassed Apple's activation lock, is now the poster boy for a young community of ethical hackers.
The home minister said the guilty will be brought to book.