Sudan's Vice President, Salva Kiir Mayardit, has discussed the investigation into the death of his predecessor, John Garang, with the Ugandan president.

A spokesman for Ugandan President Yoweri Museveni told the French News Agency that Mr. Salva Kiir expressed satisfaction with the progress of the investigation.

The two officials also discussed the possibility of Sudanese soldiers joining forces with the Ugandan army to fight the rebel Lord's Resistance Army in northern Uganda.

Vice President Garang died on July 30 when the Ugandan military helicopter he was traveling in crashed. Mr. Garang had been in Uganda to visit with President Museveni, a long-time ally.

The investigation into Mr. Garang's death is a multinational effort involving officials from Uganda, Sudan, Kenya the United States and the United Nations.

Some information for this report provided by AP and AFP.