Julien Harneis

Saudi-led air strikes and heavy shelling between warring factions shook several cities in Yemen on Saturday, residents said, violating a United Nations humanitarian truce which took effect just before midnight.

An Iranian ship convoy suspected of carrying weapons for Shiite rebels in Yemen has turned back, US officials said, as Saudi-led warplanes kept up air strikes on the anti-government forces.

Saudi-led air strikes and heavy shelling between warring factions shook several cities in Yemen on Saturday, residents said, violating a United Nations humanitarian truce which took effect just before midnight.

An Iranian ship convoy suspected of carrying weapons for Shiite rebels in Yemen has turned back, US officials said, as Saudi-led warplanes kept up air strikes on the anti-government forces.