VARANASI, Sept. 22 -- Uttar Pradesh Congress committee chief Ajay Rai on Monday demanded the arrest of those who allegedly dumped the sand-filled sacks into the sewer, stating no arrests had been made even after nine days. He warned that if the truth was not brought to light, the Prime Minister's parliamentary office would be gheraoed and answers sought. Rai visited Agarwal Radio Crossing in the Shivala area on Monday in connection with the incident in which a sack was found inside a sewer. During the visit, he demanded answers from the government and administration over the failure to arrest those responsible for dumping the sack and demanded that footage from 'Smart City' surveillance cameras be retrieved and examined.HTC...