Russia imposed retaliatory sanctions on nine U.S. officials and lawmakers on Thursday as tension over Moscow’s annexation of Crimea mounted, warning the West it would hit back over “every hostile thrust”.

Deputy national security advisers Ben Rhodes and Caroline Atkinson and senators John McCain, Harry Reid and Mary Landrieu,

Dan Coats and Robert Menendez were among the Americans barred from Russia, the Foreign Ministry said.

The others were House of Representatives Speaker John Boehner and Dan Pfeiffer, a senior adviser to President Barack Obama.