LATEST: Trump accused of 'utter contempt' over refusal to sign climate change agreement

LATEST: British environmentalists accused Donald Trump of treating the international community with "utter contempt" after he refused to sign up to global action on climate change at an international summit.

UPDATE 6pm: British environmentalists accused Donald Trump of treating the international community with "utter contempt" after he refused to sign up to global action on climate change at an international summit.

The US President told leaders of the G7 countries that they would have to wait until next week for his decision on whether America would honour its undertakings under the Paris Agreement to limit global warming.