WASHINGTON: The US Federal Investigation Agency is working with Pakistani officials in investigating the terrorist attack in which nine foreign tourists were killed, the State Department said on Monday.

The State Department condemned the attack and confirmed that an American citizen was among the victims.

"The FBI is working with Pakistani authorities to gather more information regarding this incident,” State Department spokesman Patrick Ventrell told a briefing in Washington.

"The US government strongly condemns the terrorist attack on tourists in the northern areas of Pakistan in which nine innocent tourists and a Pakistani guide were murdered on June 23rd,” he said.

“Our condolences go out to the loved ones affected by this senseless violence. And we can confirm that there was an American citizen killed in the terrorist attack. So we to continue to express our condolences,” Mr Ventrell said.