The bus crashes into a ravine in Dasu Dam Pakistan northern Khyber Pakhtunkhwa province after an explosion, with Pakistan citing a “mechanical failure” while China citing an “attack”. At least 12 people, including nine Chinese citizens, have been killed after a bus carrying construction workers crashed into a ravine following an explosion in the far north of Pakistan, the Pakistani Foreign Ministry said. The incident occurred when a bus was taking workers to the Dasu Dam Pakistan Dasu hydropower project in northern Khyber Pakhtunkhwa province, about 190 kilometers north of the capital, Islamabad, on Wednesday morning. The cause of the explosion was not immediately clear, the Pakistani Foreign Ministry said it was a “mechanical failure” while a Chinese Foreign Ministry spokesman called it an “attack”.