firebomb attacks.Officers say two men who were in the vehicle were seen acting suspiciously shortly before the latest blaze on Monday night.Substantial damage was caused to a property in Kincaid Court but luckily no-one was injured.It is the fifth fireball attack in Greenock in recent weeks and officers suspect they may all be linked.Dramatic footage from the scene showed flames erupting from the window of a ground floor flat.Images of the aftermath show the building has been left blackened