An update from London on some international stories we expect to develop on Friday:

Kyrgyzstan killings - A U.S. official has called for a "substantial" investigation into the killings of more than 170 people during recent ethnic clashes in Kyrgyzstan. Assistant Secretary of State Robert Blake was at a refugee camp near the border in Uzbekistan, where thousands of ethnic Uzbeks fled violence in neighboring Kyrgyzstan.

Mine blast - Rescue operations have been halted at a coal mine in northwest Colombia where an explosion killed at least 11 miners and trapped 62 others, a state governor says. 

Suu Kyi appeal - British Foreign Office ministers have called for the immediate and unconditional release of pro-democracy leader Aung San Suu Kyi, detained in Myanmar, on the eve of her 65th birthday Saturday.

China floods - At least 46 people were killed and 50 were reported missing after heavy rain caused flooding and mudslides in southern China, the state-run Xinhua news agency reported. 

Soldiers missing - Three dozen Pakistani soldiers are missing after a Taliban attack on a Pakistani post along the Afghan border, the Pakistani military says.  The attack happened Monday in Mohmand Agency, a district in Pakistan's federally administered tribal areas.