Tehran  - Ira

Washington  - Hillary Clinton was set to exit the US presidential race Saturday and endorse presumptive Democratic nominee Barack Obama, who clinched his party's nod for the general election earlier this week.

At an event before hundreds of supporters and reporters in Washington, Clinton was expected to call for party unity after a bitter five-month battle that saw a series of state primaries held across the United States.

Prague  - The Czech government could collapse this autumn, months before it takes on the European Union's rotating presidency, Prime Minister Mirek Topolanek was quoted as saying on Saturday.

Johannesburg/Harare  - The crackdown on dissenting voices in Zimbabwe by President Robert Mugabe's government continued Saturday as police arrested an opposition MP on charges of inciting violence