Original: During Chun's visit to Rangoon, Burma (now Myanmar) in 1983, a bomb exploded at a mausoleum he was about to visit, killing 21 people, including South Korean Cabinet members.
Simplified: During Chun's visit to Rangoon, Burma (now Myanmar) in 1983, a bomb exploded at a mausoleum he was about to visit. The bomb  killed 21 people, including South Korean Cabinet members.