At least 16 people have been killed and dozens injured in Nepal and northern India after a 6.8-magnitude earthquake struck the region.
Five people died in Nepal, including three crushed when a wall of the British embassy compound collapsed in the capital, Kathmandu.
At least five people died in Sikkim and six elsewhere in India.
Several earthquakes have hit the region this year, but none has caused major damage.
Five people were killed in Sikkim and more than 50 reported injured, according to the state’s top official, Chief Secretary Karma Gyatso.
Rescuers were searching for those who may be trapped under fallen buildings in the city, state police chief Jasbir Singh said.
“We have sounded a high alert. Police are on the streets in Gangtok and other major towns,” he told the Associated Press news agency.
One person was killed during a stampede as people panicked in a town in the eastern state of Bihar, and other deaths were reported near Darjeeling, in West Bengal.