Boyd netted Rangers' second goal from the penalty spot and Zemmama cast doubt on the validity of the decision to award the spot kick.

BBC: Kris Boyd elbow challenge angers Hibs' Merouane Zemmama

From the resulting free-kick he pointed to the penalty spot for handball, only to correctly reverse his decision when his assistant signalled a clear handball by Baros.

BBC: SPORT | Football | FA Cup | Portsmouth 1-0 Liverpool

John Keister had scored from the penalty spot to give struggling Margate the lead, placing his kick beyond Paul Edwards in the 48th minute after a foul by Grant Brown on Margate striker Phil Collins.

BBC: Margate 1-1 Telford

With eight minutes remaining, Celtic were awarded a very soft penalty as Nakamura went down under a challenge from Craig Bryson and Samaras converted the spot-kick.

BBC: Kilmarnock 1-3 Celtic