Boris Johnson nawe nyene 'arashigikiye uburenganzira bw'ukugira imyiyerekano' Umushikiranganji wa mbere w'u Bwongereza na we nyene avuga ko "atahura cane" ishavu riri muri Amerika n'ahandi hose kw'isi biturutse ku rupfu rw'uyo munyamerika w'umwirabure .
