verb
attack, assail, storm, fire on, march on, bomb, shell, bombard, rake, torpedo, strafe, strike at, charge, loot, assault, forage, pirate, maraud, sack, ransack, despoil, invade, force an entrance, make away with, besiege, plunder, pillage, blockade; see also attack 1.
Antonyms surrender, defend*, protect.