ISLAMABAD (Reuters) - At least four people were killed by a blast outside a police chief's home in the northwestern Pakistani town of Mardan on Friday, a witness said.
"It took place in front of the police chief's residence. I myself have seen four bodies. It may be more," said Mohammad Khan, a resident of the town 110 km (70 miles) northwest of Islamabad.
(Editing by Robert Birsel and Paul Tait)
