UK raises terror threat: Are more attacks expected?

In the wake of a terrorist attack in Manchester which killed more than 20, British Prime Minister Theresa May late Tuesday announced the United Kingdom had raised its threat level to "critical" - its maximum level.

Manchester: No stranger to adversity

The city of Manchester, where at least 22 people were killed in a suspected terrorist attack at a music concert Monday night, is no stranger to tragedy.

Blast after Ariana Grande concert kills 22

Monday's attack outside an Ariana Grande concert at Manchester Arena killed at least 22 people, including children, and was carried out by a lone suspect carrying a bomb, Manchester Police said.

What happened in Manchester

While most of Britain prepared for bed, a suspected terrorist attack struck the city of Manchester Monday night. Details are still thin, but here's what's known so far:

Man injured in London attack dies

A 75-year-old man has become the fourth victim to die in Wednesday's terror attack on Westminster Bridge in London, The Associated Press reported. The attacker was also killed.