Gun battles are taking place in the eastern Pakistani city of Lahore, after at least one minority Islamic religious centre was attacked, reports say.
Several people are reported to have been injured as police took on gunmen in residential areas.
Lahore – Pakistan's cultural capital – has been the scene of a string of brazen militant attacks.
At least 45 people were killed in March when two suicide bombers attacked a crowded residential area of the city.
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