LONDON — Albania’s leader accused Britain’s interior minister of “ethnic stereotyping” after she singled out 700 Albanian families whose asylum claims had failed in a speech selling an immigration clampdown. Amid intense pressure on the incumbent Labour government over migration, Shabana Mahmood used a House of Commons statement Monday to argue that the U.K. is not currently removing family groups of asylum seekers “even when we know that their home country is perfectly safe.” She cited