Extensive damage was caused to the living room of the property in the Innishmore Park area of the Co Tyrone town, when it came under fire at about 10.30pm on Saturday.Sinn Féin Mid Ulster MP Francie Molloy said he has been speaking to the family who believe the incident comes as part of an ongoing feud."Luckily enough the family were out of the house when the front room was petrol bombed, because if anyone had been in they could have been seriously injured," he told UTV."The family are convinced they have been targeted in this way because of an ongoing feud and it's lucky we're not looking at a situation of multiple deaths. People here are shocked."Police investigating the attack said they believe three men were involved.A spokesman for the PSNI continued: "It was reported to police that at approximately 10.30pm a petrol bomb was thrown at a house in the area. Scorch damage was caused to a window of the property as a result. There was nobody in the house at the time."Three men believed to have been involved in the incident are believed to have made off in a white coloured car along the Washingbay Road."Anyone who noticed any suspicious activity has been asked to contact the police.