'UK authorities investigating anti-Pakistan ads on London cabs'

Foreig­n Office says such malici­ous campai­gns should not be repeat­ed anywhe­re

• Anti-Pakistan London cab ads being removed

  Transport company initiates inquiry into the matter and assures disciplinary action against perpetrators

• Anti-Pakistan ads on London cabs anger Islamabad

  Foreign Office summons British envoy to lodge formal complaint over controversial banners