Downing Street said David Cameron was "disappointed" that Mr Timerman had pulled out of the meeting with Mr Hague and the Falklanders.
The position is that we are not prepared to talk over the heads of the Falkland Islanders about matters that directly affect their status as a British Overseas Territory.
The offer of a meeting still stands. If the Argentines change their minds, the Foreign Secretary would be happy to meet them.
More top news
Canada, Mexico, Australia, Argentina, Brazil, South Korea will also be free from the levies announced by Donald Trump.
Bolton is viewed with contempt by almost the entire foreign policy establishment in Washington.
A top temperature today of 13 Celsius (55F).