Movements of Federal troops in
Hampton roads.
Norfolk, Va, March 31
--The heavy firing heard at Newport News and Fortress Monroe to-day was occasioned by salutes, on account of the arrival of Vice President Hamlin and others.
Nearly a hundred transports, steamers, and other vessels, are in Hampton Road. No communication has been had with the enemy by flag of truce for several days.
A large number of Federal troops have recently been landed at Fortress Monroe.