kolkata a section of an over 50yearold bridge on the arterial diamond harbour road in south kolkata collapsed tuesday evening killing one person trapping several people and crushing many vehicles police saidthe majerhat bridge in the crowded alipore area caved in around 445 pm during rush hour it runs over the majerhat railway station and connects the city centre with the heavily populated behala the vast area of the south west suburbs and neighbouring south 24 parganas districtvehicles are seen stuck after a section of majerhat bridge collapsed in kolkata tuesday pti photopolice confirmed the death of one person and said 21 others including three women were injuredthe injured have been admitted to sskm and cmri hospitals the police addedfire brigade personnel engaged in the rescue work had earlier said 25 injured were pulled out from the rubbleadditional lighting arrangements have been made to facilitate the rescue work at nightone minibus four cars and a few motorbikes which were hit by the collapse were seen lying at the accident site till eveningan eyewitness claimed that some people in a minibus and private cars were trappedchief minister mamata banerjee who is now in darjeeling said that rescue work was almost over and only a concrete slab remains to be cut to find out whether any person was trapped thereshe said there was a hut under the bridge and some labourers engaged in metro rail construction work used to stay had they been there during the time of accident an unfortunate thing might have happened she saidbanerjee said that thousands of people pass through the area and the government has to probe the accidenta probe will be done by a committee headed by chief secretary malay de to find out the cause of the collapseaction will be taken against those whose negligence caused the accident no one will be spared she saidshe also announced a compensation of rs five lakh to the family of the dead and rs 5000 each to the injuredbanerjee said she will visit the site tomorrow cutting short her tourprime minister narendra modi termed the incident as deeply unfortunate and hoped for the speedy recovery of the injuredgovernor k n tripathi who visited the site described it as a big disasteri have come to see the rescue work it is a big disaster i heard that maintenance of the bridge is entrusted with the pwd and the railways the matter required to be enquired he told reportersndrf dg sanjay kumar said earthmovers are being used for clearing the areawe have to take into account the safety aspect while clearing the debris he saidndrf personnel have engaged sniffer dogs to trace any person trapped under the debristhe 450 metrelong bridge was built in early sixties and maintained by pwd a member of mayorincouncil in the city municipal corporation saidsome locals alleged the collapse might have been due to the construction of metro railway pillars nearby but this was not immediately confirmed by the expertsrail vikas nigam limited which is