More than 120 people have been killed after a powerful earthquake struck a remote region of Tibet on Tuesday morning, with tremors felt across the Himalayas in neighboring Nepal, Bhutan and parts of northern India.

A strong earthquake killed more than 100 people in Tibet and left many others trapped in the autonomous region of western China, state media say.

A magnitude 6.8 earthquake rocked the northern foothills of the Himalayas near one of Tibet's holiest cities on Tuesday, Chinese authorities said, killing at least 53 people and shaking buildings in neighbouring Nepal,