Manchester City continued their winning start to the new Women’s Super League season but the defending champions needed a 90th-minute own goal from Grace Fisk to help them edge past an ever-improving Liverpool side after an entertaining game in which Lauren Hemp scored twice. Fisk inadvertently turned Grace Clinton’s dangerous cross into her own net to put City 3-2 up and then – with Liverpool searching for an equaliser and committing players forward deep in stoppage time – Hemp added another o…