At least 26 people were killed in a blast in the Ferozepur area of Lahore on Monday afternoon, Geo news reported.
In addition, over 56 others were wounded and 11 are said to be in critical condition.
Police sources told Geo that a suicide attacker targeted police personnel.
Several motorcycles and at least one vehicle were damaged in the explosion.
The area has been cordoned off by a heavy contingent of security forces and the section of the road has been sealed.
The police have started investigations into the attack.
The wounded have been taken to nearby hospitals.
However, no group has claimed responsibility for the blast yet.