Senior Congress leaders includingTelangana AICC incharge R C Khuntia on Friday condemned the arrest of MP A Revanth Reddy in connection with 'illegal' use of a drone to film a building here, which he has alleged belonged to a state minister and built in violation of rules.Reddy, Congress Lok Sabha member from Malkajgiri,was arrested here on Thursday.In a statement, Khuntia said the TRS government was acting in a "vindictive" manner against Reddy for exposing the alleged irregularities and corruption during the party's rule.Congress workers held protests against the arrest of Revanth Reddy at L B Nagar, Uppal here and other places, a party release said.However, the TRS has dismissed the charges levelled against its minister.