Authorities warned that the devices appear to be getting more sophisticated. The FBI has sent 350 special agents to Austin, Texas, as well as extra bomb squads.
The email is believed to have come from the U.S., the Northumbria Police tweeted, adding that they have visited schools to reassure them that there's no danger.
Tennis legend Martina Navratilova criticized the BBC for paying John McEnroe at least "10 times more" than she was for his commenting role at Wimbledon.
"This government is finished," said Maduro's opponent Henri Falcon, noting how few governments overcome hyper-inflation like Venezuela's current crisis.
The death of Yann Arnaud, a star of Cirque du Soleil's "Volta" show, came only a few hours after he promoted the act on social media.