Macron says 'horrified' at UK attack, to speak with May

French President Emmanuel Macron voiced his "horror" at the attack that killed 22 people at a concert in England, and plans to speak to British Prime Minister Theresa May.

Macron "learnt with horror and shock about the attack that occurred yesterday evening," his office said in a statement.

French Prime Minister Edouard Philippe condemned the attack as "the most cowardly terrorism" that was aimed "specifically and knowingly" at young people.