The United States has imposed sanctions against Nord Stream 2, a natural gas pipeline project between Russia and Europe. The contracting company has, therefore, announced it was halting all work on the project.
President Donald Trump says the US may impose car tariffs on the European Union's products if the two sides are unable to reach a deal.
Can EU leaders overcome rampant euroscepticism, deep divisions on migration and Britain's looming departure to show a common front at their next summit?
The European Union is scrambling to save the Iran nuclear deal after US president Donald Trump pulled out of the 2015 agreement.