Swansea have been beaten by Tottenham Hotspur at the Liberty Stadium.
Spurs' Emmanuel Adebayor put them ahead with a header in the first-half.
Swansea's Chico Flores scored an own goal in the opening 10 minutes of the second half.
Adebayor then made it 3-0 with his second goal of the match in the 71st minute.
Wilfried Bony, who hit the bar, pulled a goal back with 12 minutes to go but Swansea could not get any closer as Spurs remained unbeaten in the Premier League under Tim Sherwood since he took over from Andre Villas-Boas.
The side who now fall to 15th place in the Premier League table.
Cardiff City Manager, Ole Gunnar Solskjaer, says Craig Bellamy will be key in his side's fight to get themselves out of the Premier League relegation zone. Read more from ITV Sport, here.
A Cardiff City fan from Llanrumney is being honoured by the club after he pulled a toddler from beneath a train on New Year's Day. Bus driver John Noctor was a guest of honour at this afternoon's match for his heroics while in London to see his side play.
Visitors Southampton secured a convincing win against the Bluebirds at the Cardiff City Stadium this afternoon.
The passion shown by the fans as they protested against the club's owner outside the stadium ahead of the clash wasn't matched by the players inside as Southampton totted up three goals in the first half.
Cardiff now move to 16th in the Barclays Premier League table.
Swansea City have lost their Boxing Day match against a dominant Chelsea at Stamford Bridge.
Swans goalkeeper Gerhard Tremmel helped keep the scores low after Eden Hazard scored the game's only goal in the first-half.
Swansea now sit 11th in the Premier League table as Chelsea move to second.
Swansea are down by a goal at Stamford Bridge after Chelsea's Eden Hazard scored in the 29th minute.
Cardiff trail behind 3 goals to nil at the Cardiff City Stadium this afternoon.
Southampton's Jay Rodriguez scored first for the visitors followed by two goals by Rickie Lambert.
Swansea City manager Michael Laudrup says he fears the worst after Nathan Dyer was stretchered off with a suspected broken ankle during his side's 1-1 draw with Norwich this afternoon. Dyer opened the scoring but was then rushed to hospital after a clash with Norwich defender Sebatien Bassong.
"Things like this are part of football, even though we don't know how bad it is yet, but everybody could see it was not good when you get carried out like that" Laudrup said.
"We will wait to see the X-ray and then in a couple of days have an MRI scan to know if it is bad or really bad. Let's wait and see, hoping that if it is bad, it is not too bad."
All my support for Nathan Dyer!hard game today!1 point more!next week important game!come on Swansea!
Nathan Dyer was stretchered off during Swansea 1-1 draw with Norwich at Carrow Road this afternoon with a suspected broken ankle. Dyer fell awkwardly after a collision with Norwich defender Sebastien Bassong.
Swansea City and Norwich City shared the points after a 1-1 draw at Carrow Road this afternoon.
Swansea's Nathan Dyer broke the deadlock on 12 minutes. The winger collected a long Ashley Williams pass and calmly lobbed the ball over the head of home keeper John Ruddy to give the Swans the lead.
Dyer was then stretchered off with what looks like a suspected fractured ankle after a clash with Norwich defender Sebastien Bassong.
After receiving treatment on the pitch he was taken to hospital for an x-ray.
The injury seemed to unsettle Swansea and in the 5th minute of injury time at the end of the first half Norwich striker Gary Hooper scored a stunning volley to level the score.
Hooper went close to a winner in the second half with a header that crashed onto the woodwork, while Wilfried Bony curled an effort just wide in the closing minutes.
Swansea City stay 10th in the Premier League after today's point and welcome high flying Everton to the Liberty Stadium next Sunday.