The US State Department has cancelled engagements with Thailand amid a military coup, it said in a statement.
"We urge the immediate restoration of civilian rule and release of detained political leaders, a return to democracy through early elections, and respect for human rights and fundamental freedoms", the department said.
More top news
Karl, 17, was stabbed to death when his friends became involved in a row with around a gang of youths in Hackney, east London in 2004.
Researchers believe they have found the wreckage of British explorer James Cook's ship "Endeavour".
Four kittens have been rescued from a fire by emergency services in California, USA.