Donald Trump hailed the "great honour" of being hosted by his "friend" the King at "the ultimate" Windsor Castle for his second state visit, and hinted at possible tariff relief for UK steel.The US president said he is "into helping" Britain on fine-tuning the UK-US trade deal, as the Government seeks to eliminate tariffs on British steel imports to the US.He was speaking before taking off on Air Force One, and is expected to land in the UK on Tuesday evening.

Donald Trump hailed the "great honour" of being hosted by his "friend" the King at "the ultimate" Windsor Castle for his second state visit, and hinted at possible tariff relief for UK steel.The US president said he is "into helping" Britain on fine-tuning the UK-US trade deal, as the Government seeks to eliminate tariffs on British steel imports to the US.He was speaking before taking off on Air Force One, and is expected to land in the UK on Tuesday evening.