President Bush is on his way to Ukraine for the start of a four-nation trip that also includes stops in Russia, Croatia and Romania where he will take part in a NATO summit.

Acting Prime Minister Julia Gillard says it will be business as usual for the Government while Kevin Rudd is out of the country for three weeks.

A senior Australian diplomat will be allowed to visit Tibet tomorrow, as a part of a delegation granted access by the Chinese Government.

Burma and North Korea have restored diplomatic relations after a break of more than two decades caused by North Korea's bombing of a South Korean delegation in Burma in 1983. As Ron Corben reports the new ties raise concerns among human rights groups that Burma's military will step up purchases of weapons and bypass Western sanctions.