Hammer attacker had been let out months before

A hammer wielding killer launched a terrifying attack on a woman in her own home, months after he was let out of jail. Rachid Riahi, 37, barged into Gemma Charlton’s flat, threw her to the floor, punched her and stamped on her ribs at 7am on 4 August. Riahi had jailed for six-and-half years in 2010 for stabbing his stepfather Kevin Francis, 49, to death following a row at their family home in Walton-on-Thames, Surrey. Miss Charlton’s 13 year-old son…