Donald Trump and Vladimir Putin: it’s complicated. We know, we’ve been trying to follow it all as well.
All the investigations into allegations of Russian interference in the 2016 US presidential election have put a focus on the relationship between the US and Russian leaders.
But there’s a lot to take in, so we’ve decided to pull together the key elements that help explain this story – or a good part of it, at least.
One video to watch
There are number of different investigations under way into how the Russians interfered, if at all, in the election that Mr Trump won, and whether the Trump campaign played any part in it. The most significant is the independent special counsel led by former FBI chief Robert Mueller.
Last year, the BBC’s Rajini Vaidyanathan took a look at what those investigations are about… [see more]