Fire crews are attending a blaze at an industrial building in Westbrook, Newbury, after an fire sent a huge cloud of smoke across the M4. A Royal Berkshire fire and rescue service spokesperson said: “At 1.41pm on Saturday, 16 April, we received reports of a fire at industrial building in Westbrook, Newbury. Royal Berkshire fire and rescue service crews from Newbury, Theale and two officers have currently been sent to the scene, with crews from Dorset and Wiltshire fire and rescue service. “Firefighters have found a fire involving possible pyrotechnics and fireworks. Cordons are in place, but people are urged to stay away from the area while emergency services deal with this fire.” The fire service added in a tweet: “Fire crews are currently attending a large fire adjacent to the M4 motorway J14-13. Please restrict any calls to emergencies as crews are extremely busy.” The M4 has been closed in both directions between junction 13 and junction 14 after debris landed in the carriageway. A diversion is in place and motorists have been warned to prepare for delays to their journeys.