GUWAHATI Two persons were killed and two others injured in northeastern Assam’s Dhemaji district on Monday when unidentified assailants, allegedly from Arunachal Pradesh, fired at them. “I strongly condemn the act of violence at the Panbari area of the Assam-Arunachal border in Dhemaji, where one person named Boga Chutia of Borbila Chutiakari village of my constituency has been killed, and …