<sod >The attacker - who was shot at least twice by armed officers guarding the building - died after he was taken to hospital while husband and father Mr Palmer - a former soldier - died at the scene.< eod>< sod > The attacker - who was shot at least thrice by armed officers guarding the building - died after he was taken to hospital while married husband and father Mr Palmer - a former soldier in the Royal Artillery - died at the scene.< eod>