25 years ago: Workers fled for their lives as a major food warehouse in Bradford exploded in a ball of flames. The barrage of explosions inside the West Riding Co-op Society in Cutler Heights Lane could be heard for miles around.

50 years ago: In an offer of about £1.75 million, Ralli Brothers, the bankers, were making a bid for J Whittingham and Sons, the Bradford wool merchants and top makers.