Appeal from decisions of the Workmen’s 'Compensation Board, filed March 11, 1969 and August 13, 1969, which awarded claimant benefits against the Uninsured Employers’ Fund under section 26-a of the Workmen’s Compensation Law. Claimant truck driver suffered a broken leg on June 28, 1965 while working for William Briggs, an uninsured employer. Briggs had contracted with Staggs Warehousing Distributing Company for the handling of certain material which Staggs had contracted to deliver for Harrington and King Perforating Company. Claimant was awarded compensation against his uninsured employer, Briggs, for the injury sustained while he was delivering the Harrington merchandise. Section 56 of the Workmen’s 'Compensation Law provides in substance, that a contractor who subcontracts all or any part of a contract involving hazardous employment is liable for compensation to any employee of the subcontractor who is injured in the course of such hazardous employment. The liability of the contractor is secondary, primary responsibility resting on the subcontractor (Sweeney v. Arc Elec. Constr. Co.,
