london british prime minister theresa may say monday government would maintain commitment protect europe brexit accuse russia military aggression meddle elections prime minister say britain would continue provide assistance state victims aggression uk remain unconditionally commit maintain europe security may say speech guildhall london financial district comprehensive new economic partnership seek underpin share commitment open economies free societies face seek undermine british government play one strong card brexit negotiations offer put defense security assets disposal eu hope win concessions future trade economic relations country big defense budget eu member state diplomatic intelligence service among extensive europe government also argue one lead eu contributors range security measure data evidence share extradition measure eu police agency europol may monday accuse russia foment violence eastern ukraine repeatedly violate national airspace several european countries mount campaign cyber attack also accuse russia meddle elections hack danish defense ministry german parliament state-media plant fake stories photo-shopped image attempt undermine western institutions may say government work reform nato good place counter russian hostility step military economic support ukraine take necessary action counter russian activity say may also say want good relations russia work promote peace russia hope one day choose different path say long russia act together protect interest international order depend british pm may pledge protect europe russian threats