US President Donald Trump is attending a G7 summit with leaders of the world's major economies in Sicily, Italy, on the last leg of his first foreign trip.<br/><br/>A tough debate is expected on issues including trade and climate change. The G7 consists of Canada, France, Germany, Italy, Japan, the UK and the US.<br/><br/>The EU also has representatives. Four of the group's leaders – including Mr Trump and British Prime Minister Theresa May – will be sitting around the table for the first time.<br/><br/>There will be agreement on the need to do more to tackle violent extremism, and there will be serious discussion with Japan's Prime Minister about the threat from North Korea.