A powerful earthquake of 6.9 hit northeastern India, killing at least 11 people, including three trapped in wall collapse at the British Embassy in neighboring Nepal.The U.S. Geological Survey, the earthquake of small landlocked Himalayan State of Sikkim - on the border with Nepal, Bhutan and Tibet - from 18:10 (2240 GMT) Sunday.
The epicenter was located just over 60 miles northwest of the state capital of Gangtok in Sikkim, which was a power cut plunged into darkness after the earthquake.
"There is no electricity. All are on the road," resident of Gangtok CK Dahal, told a local television news.
"We all ran out of our homes, some even jumped from their windows. You can see some buildings have developed cracks, "said Dahal.
Strong tremors were felt over a wide area, including Nepal, Bhutan, Bangladesh and the Indian city of Guwahati and Calcutta, and even as far away as the Indian capital New Delhi.
Nepal Police said three people were killed, including a motorcyclist and his eight years, his daughter, when a wall collapsed in the British embassy compound in the capital Kathmandu, 270 km west of the epicenter.
"Two more deaths in a separate incident in eastern Nepal," said police spokesman Binod Singh.
Budget talks Nepal's Parliament has been blocked for 15 minutes MPs jumped up and ran to the Appeals Chamber of the whole building shook.
Telephone landlines and Sikkim in India, the least populous state, was knocked out and mobile phone networks were overwhelmed, so hard to get in contact with the affected area.
The earthquake was followed by two strong aftershocks, one with a magnitude of 6.1.
General Secretary of Sikkim Karma Gyatso said five people were killed and 60 wounded in and around Gangtok, as a result of landslides, mudslides and falling debris.
"We have reports of dozens of houses collapsed and roads in many cities have ben blocked by landslides," said Gyatso.
Another person was reported killed in a stampede as panicked residents in a city of Bihar state.
Manish Sharma, a doctor attending a conference in Gangtok, told another news channel television customers in the hotel had all run to the door when the first tremors were felt.
"I stand in front of the legislature, and I can see one of the outbuildings ... the upper hand is in two parts, "Sharma said.
"I can see light from that particular part. It did not collapse, but it is in two parts. One part is moved to the side," he said.
"The police are trying to calm the people."
In New Delhi, Prime Minister Manmohan Singh convened an emergency meeting of the National Authority for Disaster Management and Cabinet Secretary, Ajit Seth air force planes transporting rescue teams and relief supplies were sent to Sikkim .
Strong tremors were observed in Guwahati, the main city in the state of Assam, about 600 km away, sending panicked residents into the streets.
"Our block was literally swinging," said Anamika Das home.
Kathmandu, traffic stopped as hotels and bars have been evacuated.
Hundreds of tourists and residents anxious waiting for news on the car parks and streets as the rain of the monsoon seasonal slaughter.
Bhutan's capital Thimphu buildings also shook.
"Our wooden house is safe. Jars fell in the kitchen and books fell from the shelf, "Thimphu residents Aby Tharakan, a media consultant, said in a statement posted on the microblogging site Twitter.
Seven states in northern India, joined the rest of the country by a narrow strip of land, located in an area of frequent seismic activity
