United States President Barack Obama called up Boston Mayor Tom Menino and Massachusetts Governor Deval Patrick, assuring them of all assistance in relief works after the two blasts in the Boston marathon that killed two persons and injured over 40.
Tom Bossert's resignation came a day after John Bolton took over the role of National Security Adviser.
US President-elect Barack Obama has named Leon Panetta, a former White House Chief of Staff, to head the Central Intelligence Agency and retired admiral Dennis Blair as the director of the National Intelligence.John Brenna, a former leader of the National Counter-terrorism Center, will be his Homeland Security Adviser and Deputy National Security Adviser for Counter-terrorism Serving, Obama announced.