European Union foreign ministers are set to meet later today in Brussels, and US Secretary of State John Kerry will also join them at breakfast.
EU diplomats have a lot to discuss, in the wake of the leadership change in the United Kingdom, the Nice truck attack in France and the coup attempt in Turkey.
Monday's meeting will also be the first time for the UK's Boris Johnson to meet his European counterparts since he became foreign secretary.
It is described by some as a fence-mending trip for the outspoken politician, who led the Brexit campaign. But EU leaders have made clear that there won't be any negotiation with the UK before the treaty article that officially activates exit procedures is triggered.