London Terror Attack: Ariana Grande, Demi Lovato, Joe Jonas send prayers to victims
"Praying for London," Grande, Lovato and Jonas all tweeted.
Singer Ellie Goulding tweeted: "Incredible work by emergency services. Another senseless attack that still won't divide us. Love you so much London."
Many others took to Twitter to express their support and love for the victims and their families.
A vehicle mowed down pedestrians on London Bridge and people were stabbed at nearby Borough Market. A stabbing incident also took place over a mile away in the Vauxhall area.
The Metropolitan Police tweeted that the London Bridge and Borough Market attacks on Saturday were declared as terrorist incidents. The stabbing at Vauxhall was unrelated to the terrorist attacks.
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