Kerry: Turkey must send evidence not allegations in extradition request

U.S. Secretary of State John Kerry said on Monday he had made clear to Turkey that it must provide genuine evidence that withstands scrutiny when requesting the extradition of U.S.- based cleric Fethullah Gulen.

"The U.S. has a formal process for dealing with extradition requests, Turkey must send evidence not allegations," Kerry told a news conference in Brussels.