Forty-two people were injured when wooden buildings housing a Japanese-style pub, a real estate office and a clinic collapsed following a suspected gas explosion Sunday night in Sapporo, northern Japan, local authorities said.The blast, which damaged buildings as far as 100 meters away, occurred at around 8:30 p.m. Sunday in Toyohira Ward, causing a fire that was finally extinguished at 2:10 a.m. Police suspect gas built up inside the real estate office after an employee emptied more than 100 deodorizer spray cans for disposal.Nineteen males and 23 females, aged from 1 to their 60s, were in…READ FULL ARTICLE