A bomb killed at least two people and wounded eight others in Pakistan's port city of Karachi Friday, police and hospital officials said.
The blast reportedly damaged buildings and triggered panic in the densely populated Malir district.
"A timed device planted underneath a pushcart exploded with a big bang, killing two people and wounding eight others," senior police official Irfan Ali Bahadur told AFP.
Nobody has so far claimed responsibility but Karachi, the country's economic and commercial hub, has long been in the grip of militant, sectarian and ethic violence.
Police cordoned off the area after the explosion and bomb disposal officials were called to the scene.
Seemi Jamali, a senior doctor at Jinnah Post Graduate Medical Centre where the dead and wounded were brought, confirmed the toll and said two of the injured were in a critical condition.
Violence in Pakistan has declined dramatically in recent years following a series of military operations along the northwestern border with Afghanistan, but terror groups are still able to carry out deadly attacks.
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