US flag flying over embassy next to German Parliament
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US spying claims: Snowden leaks caused 'tension' with allies

26 October 2013 Last updated at 15:49 BST

Revelations about US spying by the whistleblower Edward Snowden have created "tension" with a number of allies, the White House has admitted.

Allegations that US agencies engaged in widespread tapping of phone calls by prominent European politicians dominated the two-day European Council summit in Brussels.

German spy chiefs are travelling to Washington next week to press for action over the alleged monitoring of Chancellor Angela Merkel's phone.

Emily Thomas reports.