Villa's 14th-minute opener through Tammy Abraham would likely have been ruled out by the semi-automated technology for an offsisde.
Rangers fail to match Hearts' pace in the Scottish Premiership title race as they conceded an 89th-minute equaliser to 10-man Motherwell.
Simon Murray's early double is not enough to earn Dundee a first win in five games as bottom club Livingston fight back for a point in their desperate fight for Scottish Premiership survival.
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