チャレンジャー号爆発事故
Stewart provided live coverage of the Space Shuttle Challenger disaster as the details of the tragedy unfolded. A two-minute newsflash became an unscripted, one-hour special programme. He also anchored, with Sandy Gall, the award-winning coverage on ITN on the night of the bombing of the Pan Am jet over Lockerbie and presented the ITV network coverage of the memorial service for the victims.