A suspected arson attack on the yard of Bedfordshire haulage firm Thomas Bros Excavation (Luton) has caused an estimated £1.5m worth of damage.Emergency Services were called to the blaze at about 3am on 30 May at the company s facility in Shefford Road, Beadlow. The fire, which is believed to have been started deliberately, destroyed between 12 and 16 trucks, as well as a tank of diesel.