Eight people have been killed in a tour bus crash in Southern California.
The mountain highway incident happened around 80 miles to the east of Los Angeles, near the town of Forest Falls.
The collision also left many people injured.
33 people have been injured after a bus travelling from Harvard University in Cambridge, Massachusetts, to Pennsylvania crashed into a main Boston road on Saturday.
Medical workers transported 33 people to four local hospitals, with 28 people carrying minor injuries and five needing treatment for serious injuries.
Some people had to be removed through the bus roof by emergency rescue teams according to the Boston Fire Department's Twitter.
Thousands of London bus workers are to vote on strikes in a row over pay during the Olympics, the Unite union has said.
Distraught parents have flown on military plane to Switzerland. About 100 family members, who flew to Geneva from Belgium, were taken to the Valais canton. Some began visiting injured children in the Sion hospital, while others were being counseled by psychologists in crisis groups.
What the Swiss authorities are able to tell us is what they think didn't cause the crash. They have very little idea of actually what did.
We know that the weather was good, that the road was dry, they are pretty sure that the coach was not speeding, the driver was well rested, this at the very beginning of what was going to be a long drive back to Belgium.
They might find clues in the wreckage as to exactly what did but it's perfectly possible that they may simply never know.