Substitute Alexis Mac Allister netted a 90th-minute equaliser to earn Brighton a thoroughly deserved draw against rivals Crystal Palace.
Argentine Mac Allister latched on fellow substitute Aaron Connolly's lay-off to drill home a rasping first-time finish from the edge of the area.
Palace were on the back foot for long periods, but looked like holding on for victory - having taken a 10th-minute lead courtesy of Wilfried Zaha's penalty, which turned out to be the home side's only shot on target.
The spot-kick was rather harshly awarded as Tariq Lamptey was judged to have dragged down Michy Batshuayi in the box, but replays showed there was little contact on the Palace striker.