Fatehpur (Uttar Pradesh), Apr 03 (ANI): At least 42 workers were evacuated safely after they were trapped following a building collapse and ammonia leakage from a cold storage in Uttar Pradesh's Jahanabad on Sunday night. "The building was weak as the roof and the wall collapsed, the gas pipeline also got damaged. The leakage has been controlled. There is no leakage now, we just have to ensure that nobody is trapped inside. As per the information there were 42 workers and all of them have been evacuated," informed a police official. The accident took place in Narayanpur area. The police had cordoned off the area and stopped movement of transportation within two kilometres of the vicinity even as people were being evacuated from the area.