MEERUT/LUCKNOW, May 19 -- The Central Bureau of Investigation (CBI) on Monday arrested the alleged triggerman in the high-profile killing of Chandranath Rath, personal assistant to West Bengal chief minister Suvendu Adhikari, from Muzaffarnagar in western Uttar Pradesh. The accused, identified as Rajkumar Singh of Ratopur village in Ballia district, was intercepted near the Chhapar toll plaza while reportedly returning from Haridwar with his family, officials said. P2...