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.
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The 53-year-old received the accolade for services to drama from the Duke of Cambridge at Buckingham Palace on Tuesday.
A car bomber reportedly staged a suicide attack near a busy marketplace in Tuz Khurmatu, around 120 miles north of Baghdad.
Zimbabwe's President Robert Mugabe has resigned, ending his 37-year rule of the country.