GUWAHATI, Jan 27 – Two policemen, Deputy Superintendent of Police (Headquarters), Kamrup District, Sri Devajit Pathak, and the driver of his vehicle Sri Digbijoy Dutta, were killed, while 21 others were injured, six of them seriously, in three separate incidents of extremist bomb blasts in the State today. According to police sources, suspected ULFA militants activated an improvised explosive device on the Boko-Nalapara Road around 1.30 pm today blowing off the vehicle in which Sri Devajit Pathak, along with his four personal security officers (PSOs) was travelling. The police party was...