At Least 19 People Were Killed at Concert

The transcript discusses a suspected terror attack in Manchester, where 19 people were killed and 50 injured at an Ariana Grande concert. The Greater Manchester Police are treating it as a terror incident, making it the worst on British soil since the 2005 London bombings. Ariana Grande was unharmed and expressed her sympathy. Prime Minister Theresa May stated that a COBRA meeting would be held to address the situation. The incident has affected UK election campaigning.

Who was the US singer mentioned in the text, and what was her reaction?

What did the Prime Minister say regarding the victims and their families?