Karachi, Aug. 2 -- The US Consulate in Karachi has advised its diplomatic staff and citizens in the city to exercise caution, ARY News reported.

A spokesperson for the US Consulate said that citizens should avoid visiting crowded places and making unnecessary trips.

"The US Consulate General Karachi received a report of a threat directed at high-end hotels in Karachi. In response to such threats, the U.S. Embassy and Consulates sometimes place areas such as tourist attractions, hotels, markets, shopping malls and restaurants off-limits to official US government personnel," the US department said in a security alert.

"The US Consulate General in Karachi has temporarily limited visits by official US government personnel to these hotels."...