Pakistani police have arrested four suspects in connection with the kidnapping of Shahbaz Taseer, son of slain Punjab governor Salmaan Taseer, police officials said on Saturday.
Pakistani police probing the brutal murder of a pregnant woman, 25, stoned to death in a case of honour killing arrested four men, including her uncle on Friday.
Thirteen people were killed and over 70 others injured in the suicide blast which had targeted police officials.
Pakistan had reportedly launched 'strikes' against militant bases in Afghanistan on Saturday.
Punjab Law Minister Rana Sanaullah said the blast seemed to be aimed at sabotaging the Pakistan Super League final in Lahore.
At least 21 people, including a suicide-bomber, were arrested on Monday and explosives and a suicide vest recovered from Wagah border area as all of Pakistan was put on red alert after 61 people were killed in a deadly terror attack at the Indo-Pak land border crossing.
A source in the Imran Khan government told PTI that the Punjab police are waiting a go-ahead from the "top" to lay hand on Saeed.
The death toll in the horrific suicide attack that shook Pakistan minutes after the popular flag-lowering ceremony at Wagah climbed to 61 on Monday. Security agencies have arrested about 20 suspects from the Indo-Pak border area.