Republic of Ireland international Mark Sykes continued his recent run of goalscoring form with the winner as Bristol City edged Norwich 1-0 in the Sky Bet Championship.Belfast native Sykes, who won his first Boys in Green cap last November against Malta, did not score in his first 20 league appearances after signing for the Robins from Oxford last summer.But a brace against Birmingham City in mid-January has sparked a run of excellent form for the attacking midfielder who has been playing off the right flank this campaign.His strike on 24 minutes against Norwich, which saw the Canaries slip to 10th, earned all three points for Bristol City and marked his fourth goal in his last four matches.Elsewhere, A Nathan Tella hat-trick helped leaders Burnley make it 10 successive wins with a 3-0 win over Preston.The on-loan Southampton forward opened his account 15 minutes into the game before adding two more within three minutes of each other in the second half as the Clarets push to return to the Premier League.Sheffield United stay second, returning to winning ways with a 3-0 home victory against Swansea.First-half goals from Sander Berge and Jack Robinson put the Blades in control before Oli McBurnie put the game to bed with an 89th minute strike.Middlesbrough also bagged three in their push for promotion under Michael Carrick, winning 3-1 at Cardiff.Marcus Forss put Boro in front in the 17th minute but Sory Kaba quickly equalised for the hosts on his home debut.Cameron Archer then fired Boro back into the lead and Riley McGree struck late to take three points back to Teesside.Millwall climbed into the play-off spots after securing a 2-1 win against QPR.Duncan Watmore scored his first goal for the Lions in his first start,