An explosion at a nursing home in Pennsylvania has left at least two people dead as rescue crews rush to find victims or survivors of the fiery blast.

Multiple people are reported to be injured after an explosion and fire at a nursing home in Bristol, Pennsylvania, officials said.

There were initial reports that people were trapped, Ruth Miller, Pennsylvania Emergency Management Agency spokesperson, told the Associated Press .

Several people are feared to have been killed and injured in Nigeria after a suspected suicide bomber carried out an attack on a mosque in Borno state. Eyewitnesses said the blast happened during evening prayers. One report suggests seven people were killed, but there has been no official confirmation of any casualties.

Three people - including two police officers - have been killed in an explosion in Moscow, Russian authorities have said.

Three people, including two police officers, were killed on Wednesday by a bomb in Moscow after the officers tried to apprehend a person acting suspiciously near a police car, Russian investigators sa...