MOSCOW — President Vladimir V. Putin of Russia called President Trump on Sunday to thank him for a tip from American intelligence agencies that helped prevent a terrorist attack in Russia, the Kremlin said in a statement.
The announcement offered no details about what information the United States had passed along.
But the Federal Security Service, the main successor agency to the K.G.B., told Russian media it had detained two suspects preparing an attack on a crowded location in the northern city of St. Petersburg on New Year’s Eve. Continue reading