Portsmouth murder probe: everything we know so far Police scenes of crimes officers investigating in Fratton after the death of an 18-year-old man in Portsmouth who was found with significant injuries.''Picture: Tom Cotterill Sign Up To Our Daily Newsletter Sign up 0 Have your say People in Portsmouth were left in a state of shock after 18-year-old Ollie Blatcher died in the city. Police have since launched a murder investigation to find the truth about what happened – here’s everything we know so far. WATCH: Portsmouth man caught fly-tipping in ‘disgusting’ act