Scottish Premier League Round-up:Paul Hartley's first goal for Celticin front of his home fans helped the Hoops ease their way to a 2-1 victory over 10-man Motherwellat Parkhead to go five points clear of Rangers.
The former Hearts player had previously only scored at Spartak Moscow and Dundee United since arriving from Tynecastle in January 2007.
But his 25-yard drive just before the break allowed the Celtic fans in the official crowd of 56,504 to enjoy the sight of the Scotland midfielder's enthusiastic goal celebration.
When Fir Park striker David Clarkson was shown a straight red card in the 57th minute for a push in the face of Parkhead substitute Paul Caddis, on for Shaun Maloney, it was effectively all over for the visitors.
They stuck to their task but former Well favourite Scott McDonald fired in the clincher from the edge of the box in the 70th minute to cement the Parkhead side's place at the top of the SPL and blow away any lingering disappointment from Wednesday's draw against Manchester United in the Champions League.
A Warren Feeney goal proved decisive as Dundee Unitedheld on for a 2-1 win despite Aberdeen'sbest attempts at a comeback.
The Tannadice side were two goals ahead in the opening 14 minutes following strikes from Francisco Sandaza and Feeney before Darren Mackie gave the Dons hope of a point in the second half.
But United held firm to retain third spot and stretch their unbeaten run to an impressive nine games.
A late header from Eggert Jonsson against St Mirrenended 10-man Hearts'streak of five games without a win.
The Iceland international, playing out of position at centre-half, headed home Andy Driver's free-kick in the 79th minute for the only goal of the game.
Hearts had been on the back foot for the majority of the half after Michael Stewart was shown a red card just before the break for clashing with Hugh Murray.
Despite dominating play because of their numerical advantage, St Mirren failed to register a single shot on target during the 90 minutes.
Invernesshalted a five-game losing streak with a 2-1 victory over Hibernianat Easter Road.
A first-half strike from Don Cowie gave the visitors a shock lead against the run of play on the half-hour mark.
And, when Ian Black doubled the Highlanders' advantage two minutes after the break, it was too much for an under-par home team to overhaul during the remainder of a frustrating afternoon for Mixu Paatelainen's struggling outfit.
Derek Riordan, who had seen his 69th-minute penalty saved, struck in stoppage time but it was nothing more a consolation for Mixu Paatelainen's struggling outfit.
Michael Higdon scored just two minutes after his half-time introduction to earn Falkirka point in their 1-1 draw at Hamilton.
Ireland underage star James McCarthy had put Accies ahead 10 minutes before the break by lashing home an impressive shot following Brian Easton's throw-in, but Higdon cancelled that out with a headed equaliser.
The draw arrested Hamilton's miserable run of six straight league defeats, but was not enough to move them off the bottom of the table.
