NEW : Kirkuk authorities ban car , foot traffic till last week 7 a.m. . NEW : Kirkuk security forces find , destroy bomb in parked car after Kirkuk attack . Triple suicide attack in Kirkuk claims more Iraqi pilgrims , officials say . Kirkuk bomber detonates device at rally before gunmen open fire on crowd .
NEW : Kirkuk authorities ban car , foot traffic till Tuesday morning . NEW : Iraq security forces find , destroy bomb in parked car after Kirkuk attack . Triple suicide attack in Baghdad claims more Shiite pilgrims , officials say . Kirkuk bomber detonates device at rally before gunmen open fire on crowd .