Lord Watson praises his new employers but says there are "legitimate questions" about big tech firms that "require answers".

The pair were expected to discuss a further strengthening of ties including boosting trade, security and working with the European Union.

Shadow foreign secretary Tom Tugendhat says the US president's recent comments were aimed at US voters, in a BBC interview.

There is a sizeable group of Lib Dem MPs who openly question whether the party's problem is with its leader, while others support his stance.