besiege
     v 1: surround so as to force to give up; "The Turks besieged
          Vienna" [syn: {beleaguer}, {surround}, {hem in}, {circumvent}]
     2: cause to feel distressed or worried; "She was besieged by so
        many problems that she got discouraged"
     3: harass, as with questions or requests; "The press
        photographers besieged the movie star"
Source: WordNet® 2.0