sir Mahmood was said to have shown the BBC clip to 14-year - olds . The clip - featuring images of soldiers ' heads on spikes - was shown to fourth - year olds at Gryffe ##l School in Houston , Renfrewshire . Popular teacher was reported to council bosses after a teacher complained . He has since been suspended pending an investigation , the headmaster said .
Mansoor Mahmood was said to have shown the BBC clip to 14-year-olds . The clip - featuring images of soldiers ' heads on spikes - was shown to fourth-year pupils at Gryffe High School in Houston , Renfrewshire . Popular teacher was reported to council bosses after a parent complained . He has since been suspended pending an investigation , the council said .