Foreign Secretary William Hague:
Susan Rice represents the US at the UN:
Nelson Mandela is a towering example of grace, wisdom, and strength. Happy 94th Birthday, Madiba.
Rio Ferdinand is a former England captain:
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"We are not afraid." Those were the defiant words of the Prime Minister this morning as she addressed the Commons.
Andreea Cristea, 29, remains in a critical condition after being rescued from the Thames after a terror attack along Westminster Bridge.
The Prime Minister has praised the former soldier's "huge professionalism" in trying to save the life of Pc Keith Palmer.