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German For Min summons U.S. ambassador over Merkel phone tapping

BERLIN, Oct 24 (Reuters) - Germany's Foreign Minister has summoned the United States' ambassador to Germany, John B. Emerson, to discuss information obtained by Berlin that the U.S. may have monitored Angela Merkel's mobile phone, a government spokesman said on Thursday.

The move comes a day after Merkel called President Barack Obama to demand immediate clarification and told him if such surveillance had taken place it amounted to a "grave breach of trust".