YANGON, Myanmar -- The U.N.'s World Food Program said one of its relief planes has landed in Myanmar as part of the first major international airlift of aid to cyclone victims.

A U.N. official said a plane from Italy arrived in Myanmar, and three more are to land later in the day. The official said the planes are bringing key relief items including high-energy biscuits and medical kits.

The planes had waited on the tarmac for the last two days to get the junta's clearance to bring in relief supplies to the devastated Southeast Asian country. It's feared the death toll from Saturday's storm will climb to as many as 100,000 people.