MAKHACHKALA, Russia:
One of the brothers suspected of carrying out the Boston bombings had made links with two figures in the anti-Kremlin insurgency in the Northern Caucasus, both of whom were killed by Russian security forces, a source said Monday. Tamerlan Tsarnaev, 26, was known to have been in contact with a Dagestan militant named Makhmud Nidal and also a militant of Canadian origin named William Plotnikov, a Russian security source in the Northern Caucasus told AFP.