A SEIZURE of more than 50 weapons during a raid on a private residence in Melbourne's east has prompted a police warning for gun owners to register their firearms. More than 50 items were seized, including semi-automatic weapons, shot guns, pistols, silencers and ammunition in the raid at a house in Seville yesterday. Two people have been charged with the illegal possession of firearms and will appear in court at a later date. Police spokesman Senior Constable Rob Pugh today warned gun owners police had begun conducting door knocks searching for unregistered weapons after the end of the gun amnesty...