France, Britain and Germany hardened their tone toward Iran, warning that Tehran risked triggering an international crisis and could face UN sanctions if it follows through with a threat to resume its nuclear program.

The French referendum on Europe’s first constitution is proving a nail-biter. With less than two weeks to go, opponents and supporters are effectively tied in polls – a dead heat expected to continue until every vote is counted.

Two French reporters, freed from four months of captivity in Iraq, arrived home tonight as the government said it negotiated an end to their ordeal without paying a ransom.