Object thrown into traffic on A90 near Forfar 22 February 2013 Last updated at 11:32 Tayside Police have issued an appeal for witnesses after a object was thrown into the path of traffic on a major road near Forfar. Officers said an unknown object was thrown into the path of a dark green Renault Clio travelling southbound on the A90 near to the Happas junction at about 22:00 on Wednesday. They have described the incident as serious and reckless. Police said it was fortunate the object did not strike the car. Officers are keen to speak to anyone who may have seen someone by the side of the road at the time. The force had previously said there were three similar incidents near to the A90's Powrie Brae flyover, on the outskirts of Dundee, on the same evening, all within a short space of time. In one incident a lorry and car were hit by a heavy object which was thrown from the flyover . The item struck the windscreen of the fully-laden HGV and then hit the windscreen of a car.