A strong earthquake shook a high-altitude region of western China and areas of Nepal on Tuesday, damaging hundreds of houses, littering streets with rubble and killing at least 126 people in Tibet. Many others were trapped as dozens of aftershocks shook the remote region.

Tremors from the magnitude 6.9 earthquake were reported in Nepal’s capital Kathmandu, where buildings were shaking. A magnitude 6.9 earthquake has hit Tibet’s Shigatse city, China’s state broadcaster CCTV reported.