A hand grenade was pulled from the river in Leeds by a magnet fisher, prompting a huge police response.<br />The incident, close to Asda House along the River Aire, was reported shortly after 12.30pm on November 17.<br />Bomb disposal experts from the army were deployed to deal with the situation. They carried out a controlled explosion.<br />By around 3.30pm, the scene was clear with only the remains of crime scene tape left tied to the railings in the shadow of Bridgewater Place.