Have a nice trip, Hillary? Mrs Clinton takes a tumble as she boards plane [VIDEO]

She slipped to her knees at the doorway and was only saved from further embarrassment when an aide gave her a helping hand.

Whoops: Hillary Clinton trips as she goes through the door of her waiting plane at Sanaa, in the Yemen. Help is at hand from concerned aides...

Going down: The Secretary of State tries to stay upright by holding onto an aide, but it's a lost cause...

Diplomatic incident: Ms Clinton on her knees in front of the aide who stretches out his arms to lift her up

Clinton didn't suffer any injuries - apart from a bruised ego - but someone was on hand to quickly turn the lights off before a photographer could take any pictures.

However, it was too late. Her fall from grace had already been captured on film.

Earlier, Clinton spent three hours with Yemeni President Ali Abdallah Saleh at his presidential palace in Sanaa discussing the fight against an al Qaeda wing based in the country.