An explosion ripped through a busy market in Pakistan's north-western region on Monday, killing four people and injuring more than 20, officials said.
The bombing took place at a market for music and movie CDs in Peshawar, the capital Khyber Pakhtunkhwa province, a centre of Taliban attacks, DPA reported.
Bashir Bilour, a provincial government minister, told reporters that the bomb was attached with a motorbike in the market and the explosives were detonated with remote-controlled device.
Imtiaz Shah, a senior police official said that at least four people, including a woman, were killed and 22 were injured.