Dozens of people were injured, two of them seriously, when a 6.1 magnitude earthquake hit the city of Napa in the wine-producing region of northern California, the city government said.
More top news
Ursula Keogh, 11, went missing on Monday around 3.30pm. She was dressed in her school uniform.
"My sincerest apologies to everyone who purchased tickets and were planning to come to the upcoming shows."
His comments at the Defence and Security Forum on Monday came after a £20 billion black hole in the budget for the next decade emerged.