No fewer than seven persons have been killed and another 15 wounded in a blast at a market in the eastern city of Lahore, local media reports.
The cause of the explosion was not immediately clear.
Initial reports on Pakistani television channel Geo News said a generator had exploded but reports at the scene speculated that a bomb had gone off, based on the extent of the damage.
Rescue workers stated that they have received five bodies and treating 14 wounded.
The area is a popular shopping destination with a number of restaurants, coffee shops and famous clothing brands.
Pakistan has been struck by a wave of attacks in recent weeks, killing at least 130 people across the country and leaving hundreds wounded, Aljazeera reports.
Last week, a suicide attack targeting police at a protest rally in central Lahore killed at least 13 people and wounded several others, the first in a wave of bombings and suicide attacks across Pakistan that saw more than 110 people killed.