Three killed in Karachi bombing

At least three people were killed and four others injured Wednesday in a bomb blast in Pakistan's port city of Karachi, a media report said.

Geo News said the blast took place in Al-Asif Square area in the suburb of Sohrab Goth.

The explosive device was planted on a motorcycle parked in front of a vacant building near a mosque.

Security officials searched the blast site for more explosives.