He served as commander of the group's rebel forces, which fought to overthrow the Government installed by Vietnam after it invaded Cambodia in 1978.
Talks on doing so made progress in 1978 but were broken off once Vietnam invaded Cambodia.
In late 1978, the Vietnamese invaded Cambodia.
But after the Vietnamese invaded Cambodia in late 1978, relations were frozen and the return of bodies stopped.
If a pact is signed, it would be the first significant agreement reached in the 11 years since Vietnam invaded Cambodia.
When Vietnamese troops invaded Cambodia and imposed their own Government in 1979, he joined resistance fighters.
In 1177 and again in 1178, the Cham invaded Cambodia.
It will be the first time these leaders will meet for face-to-face talks since Vietnam invaded Cambodia nearly 10 years ago.
The Government is supported by Vietnam, which invaded Cambodia in 1979 and withdrew its troops last September.
We can't invade Cambodia and hold it.
