China trade tensions this week. Tensions are simmering as Washington and Beijing accuse each other of undermining last month’s agreement–and officials hint of a possible phone call between U.S. President Donald Trump and Chinese President Xi Jinping this week.

President Donald Trump stunned European officials and caught some of his own senior advisers off guard with his snap decision Friday to reignite his market-rattling trade war with the European Union.

Poland has elected Karol Nawrocki, a nationalist conservative, as its next president — a win that signals a turn to the right in one of the European Union's member states.

But the conservative nationalist Karol Nawrocki’s victory in Poland’s presidential runoff election on Sunday is a huge blow to Poland’s pro-European trajectory – and to the ability of Prime Minister Donald Tusk’s centrist coalition to govern at all.

The victory of nationalist Karol Nawrocki in Poland's presidential election looks set to strain relations with Ukraine and embolden Donald Trump-inspired conservatives in central Europe, analysts and diplomats said on Monday.

During a rally at a steel plant the US president announced that he will double tariffs on steel imports. Afterwards, he announced the same for aluminium. The measure, which would hit Europe hard, is supposed to come into force on 4 June.

The European Commission said on Saturday that Europe was prepared to retaliate against President Donald Trump's plan to double tariffs on imported steel and aluminum, raising the prospect of an escalating trade fight between two of the world's largest economic powers.