Photos: Second major earthquake strikes Nepal

A Nepalese resident walks past the rubble of buildings destroyed by an earthquake in Bhaktapur on the outskirts of Kathmandu on May 13, 2015.

A patient at a teaching hospital after another powerful earthquake struck, in Kathmandu, Nepal, 12 May 2015.

Locals search for belongings from their collapsed house following the earthquake of 25 April in Dhunche, Rashuwa, Nepal, 12 May 2015.

A collapsed building after a strong earthquake, in Kathmandu, Nepal, on May 12, 2015.

An injured person is moved on a stretcher at Kathmandu Airport after another powerful earthquake struck Nepal, in Kathmandu on May 12, 2015.

Rescue workers stand beside buildings that collapsed in an earthquake in Kathmandu, Nepal, Tuesday, May 12, 2015.

Nepalese people stand by the side of a street and watch damage caused by an earthquake in Kathmandu, Nepal, Tuesday, May 12, 2015.

A Mexican rescue worker stands at the site of a building that collapsed in an earthquake in Kathmandu, Nepal, Tuesday, May 12, 2015.

USAID rescue workers inspect the site of collapsed buildings after an earthquake in Kathmandu, Nepal, Tuesday, May 12, 2015.

Rescue team officials and bystanders looking for survivors in front of a collapsed house in Kathmandu on May 12, 2015, after an earthquake struck.

A father holds his son after the boy was treated at hospital in Siliguri, Nepal, after falling during an earthquake on May 12, 2015.

Bystanders and employees at a hospital in Siliguri, Nepal, help a person who fainted when a tremor struck the Asian nation on May 12, 2015.

College students work outside after a strong earthquake hit Kathmandu, Nepal, on May 12, 2015.