Opposition leaders detained during Delhi protest over SIR

New Delhi, Oct 10 (UNI) Several prominent opposition leaders, including former West Bengal chief minister Mamata Banerjee, former Delhi chief minister Arvind Kejriwal and Kerala leader Pinarayi Vijayan, were detained by Delhi Police on Saturday amid demonstrations against Chief Election Commissioner Gyanesh Kumar over the Special Intensive Revision (SIR) of electoral rolls. Banerjee was detained from the South Avenue area along with Trinamool Congress leaders Derek O'Brien, Dola Sen and other party members. Communist Party of India (Marxist) leaders were also taken into custody as police tightened security around protest locations in the national capital. Former Trinamool Congress MP Saket…