Burma's military regime allowed a United Nations envoy into the devastated Irrawaddy delta for a brief tour today after barring almost all foreigners from the cyclone disaster zone for days.

The leader of Burma’s increasingly isolated ruling junta made his first public visit to a relief camp today as state media lashed out at swelling international criticism that it was closing the door on aid to millions in desperate need following Cyclone Nargis.

Ethnic rebels exploded bombs almost simultaneously at two busy supermarkets and a convention centre in Myanmar’s capital, Yangon, today, killing 11 people and wounding 162 others, state television reported.