A horrifying video by researchers at Princeton University simulates how a nuclear war between the US and Russia might unfold, estimating that tens of millions would perish in the first 24 hours alone.

US President Donald Trump wants to reduce the US military contingent in Europe by 20%. In addition, Europe should contribute to the payment for the troops, the Italian news agency ANSA reports.

Saudi Arabia has reportedly promised to invest at least US$600 billion in the US. The pledge came a day after Mr Trump told a reporter that his first official trip abroad could be to Saudi Arabia – as ...