Foreign Secretary Philip Hammond has said that western powers will push ahead with further sanctions against Russia over the conflict with Ukraine.
He told the BBC that the sanctions could be lifted at a later stage if a proposed ceasefire sticks.
Angus Raffle, 8, says his surprise meeting with the President at Stonehenge was "awesome". His mother says she "squealed like a teenager".
The language has been ramped up at this Nato summit, yet caution appears the order of the day after the mistakes of recent history.
The US President's motorcade pulled up at the school with his black stretch limousine bearing a Welsh flag for the first time in history.