Mikhail Kalashnikov, the man responsible for developing the AK-47 assault rifle, has died aged 94 in his home city of Izhevsk in Russia. He had been in hospital since November.<br /><br />The weapon, often referred to by the creator’s surname Kalashnikov, has killed more people than any other firearm in the world since its first use just after World War Two. <br /><br />The inventor said he “invented it for the protection of the Motherland.”