Complex sentence: Ranariddh went into exile in Thailand but was granted a royal pardon in March 1998 and he returned to Cambodia to lead FUNCINPEC to contest in the 1998 general election.
Split into simpler sentences: Ranariddh went into exile but was later granted a royal pardon in March 1998. He returned to Cambodia to lead FUNCINPEC to contest in the 1998 general election.