More than 120 countries defy President Donald Trump and vote in favour of a United Nations General Assembly resolution calling for the United States to drop its recognition of Jerusalem as Israel's capital.

Clashes between hundreds of Palestinian protesters and Israeli troops erupted across the West Bank, while demonstrators in Gaza burned posters of President Donald Trump and Israeli Prime Minister Benjamin Netanyahu, as well as Israeli and US flags.

CNN journalist Oren Liebermann walks readers through what can be at stake by the declaration of US President Donald Trump recognising Jerusalem as Israel's capital.

US president Donald Trump's decision of recognising Jerusalem as the capital of Israel comes despite widespread criticism from allies in the Middle East and Europe, and concerns from some members of his own Cabinet.