Several BJP leaders in West Bengal, including Leader of the Opposition Suvendu Adhikari, were detained by the police today when they were marching to state secretariat 'Nabanna' in Kolkata, as part of a huge protest over alleged corruption by the ruling Trinamool Congress government; India's envoy to Uzbekistan Manish Prabhat has said Prime Minister Narendra Modi's visit to attend the Shanghai Cooperative Organisation (SCO) Summit is significant as India is the incoming chair of the grouping and other top stories.