NEW : Police find explosives at the massacre suspect 's farm . ` ` This whole case proves that he 's insane , '' the suspect 's lawyer says . Obama offers protection to Norway 's embassy in Washington . They are talking to other countries as they discuss Breivik 's claims of terror cells .
NEW : Police detonate explosives at the massacre suspect 's farm . `` This whole case indicates that he 's insane , '' the suspect 's lawyer says . Obama offers condolences to Norway 's ambassador in Washington . Police are talking to other countries as they examine Breivik 's claims of terror cells .