Complex sentence: Johnson covered the 1977 Hanafi Siege where three Washington D.C. buildings were seized by twelve gunmen who held 149 hostages, killed a radio journalist and police officer, and eventually released all hostages after a 39-hour standoff.
Split into simpler sentences: Johnson covered the 1977 Hanafi Siege where twelve gunmen seized three Washington D.C. buildings, held 149 hostages and killed a radio journalist and police officer. The gunmen eventually released all hostages after a 39-hour standoff.