President Donald Trump rolled out the red carpet for Russian leader Vladimir Putin at the start of their summit in Alaska. The two men arrived almost simultaneously and exchanged a warm handshake

North American Aerospace Defense Command issued a statement saying it would be enforcing Federal Aviation Administration flight restrictions over Anchorage, Alaska, "in support of the presidential summit.

The meeting in Alaska, announced last week, will be the first between the two leaders since Trump started his second term in office.