MUMBAI, July 20 -- A pothole repair drive on the Mira-Bhayandar Road turned hazardous on Saturday night after a biker slipped on freshly laid hot mastic asphalt and suffered burn injuries. The incident occurred on Saturday when contract workers of MMRDA were laying hot mastic asphalt to fill potholes on the Mira-Bhayandar Road. "A few bikers slipped on the hot mastic asphalt, as the affected portion was not barricaded," said activist Krishna Gupta. At least one biker suffered burn injuries on his arm after falling onto the hot mastic asphalt. MMRDA said preliminary investigations found that mandatory safety precautions had not been fully followed during the execution of the work. P3...