A row in the stands between former England striker Ian Wright and a Queen's Park Rangers supporter over-shadowed Manchester City's win at Loftus Road.
Shaun Wright-Phillips (22) put the Premiership side ahead, and as his father celebrated in the directors box, an argument broke out involving the one-time Arsenal frontman and a nearby supporter.
Wright eventually retreated to his seat and was calmed down by City boss Kevin Keegan, who was sitting close to him. There was no repeat of the scenes when Wright-Phillips (77) added a second before Jonathan Macken (79) wrapped it up.
Bolton moved into the fourth round with a 2-0 win over First Division Gillingham at the Reebok. Gills' midfielder John Hills had a first-half header ruled out for offside, and Bolton soon went ahead through Stelios Giannakopolous, who capitalised on a lose ball to net his first goal for the club.
Henrik Pedersen's second-half strike made sure of a place in the last 16 on 66 minutes. Crystal Palace booked their place in the fourth round with a 3-1 win over 10-man Blackpool, who had their goalkeeper sent off at Bloomfield Road.
Steve McMahon's side - who dumped Barclaycard Premiership highfliers Birmingham out in the last round - were facing an uphill battle after Phillip Barnes was dismissed for deliberate handball after just 15 minutes, with no ready-made replacement on the bench.
Andy Johnson (24) put the Eagles into the lead when he capitalised on hesitation by Danny Coid to beat stand-in keeper Gareth Evans. Dougie Freedman converted a second-half penalty before Johnson helped himself to a second goal three minutes from time. Keith Southern (88) put in a late consolation for the home side.
Southampton are through after safely negotiating a trip to Second Division Bristol City. James Beattie steered home Rory Delap's pass on 31 minutes to put last season's FA Cup finalists ahead, after an effort from City midfielder Craig Woodman had been flagged offside. Brett Ormerod (67) gave the Saints a two-goal cushion midway through the second half, and former Chelsea defender Graeme Le Saux grabbed his first goal for Southampton a minute from the end.
Wolves continued their recent improvement with a comfortable 2-0 win over Burnley at Molineux. Kenny Miller (48) converted Henri Camara's centre early in the second half, and Jody Craddock got on the scoresheet with nine minutes left.