Calcutta, May 12 : Plot buyer fleeced of Rs 30 lakh Detectives raided the house of Ashok Ghosh in Hindustan Park on Saturday night to round up Ghosh's wife and son, Bishak, for cheating a person of more than Rs 30 lakh, said DC, DD-II Pradip Sanyal. Bishak had sold a plot to the person, but did not hand over the land or refund the money, sources said. Both mother and son are absconding. Five injured in collision Five persons were injured when a lorry collided with two other vehicles on Ambedkar Bridge, on the EM Bypass, on Saturday night. The injured were discharged after first aid. The vehicles have been impounded. Held for extortion Raja Das, 24, was arrested from Kalighat on Sunday on charges of extortion. He was wanted in connection with several cases of extortion in Alipore and Chetla. Summer specials Eastern Railway will run six pairs of summer special trains between Howrah and Gorakhpur from May 12 to 30. The special train will have four coaches, including eight sleeper-class, four general second class and two second class-cum-luggage vans. In addition, the railway will run 99 pairs of summer specials in the Howrah, New Delhi, Bikaner, Jodhpur, Dehra Dun and Lucknow sectors. Burglary foiled Tiljala police arrested five persons who had gathered near the EM Bypass on Saturday while they were planning to burgle houses in the neighbourhood. Water network Mayor Subrata Mukherjee will inspect the water supply network in the city on Monday with a team of technical experts. The objective is to expedite projects to achieve the targeted output of 367 million gallons of filtered water daily by 2011. Strike over dues Low-lying areas on the city's eastern fringes are flooded with sewer water as private pump operators of the drainage and sewerage department are on strike, demanding their dues.