Deputy Prime Minister Nick Clegg has said "insinuations" by Argentina that the UK sent a nuclear-armed submarine to the South Atlantic are "baseless".
Tensions have been rising in recent months between the two countries over the future of the Falkland Islands.
Argentine Foreign Minister Hector Timerman reportedly told a summit that an "extra-regional power" had sent the submarine to the area.
Mr Clegg said Argentina seemed "keen to rattle cages in any way they can".
It is the latest development in an ongoing argument between the UK and Argentina as the 30th anniversary of the Falklands War approaches.
Mr Clegg and Mr Timerman are both attending the international nuclear security summit in the South Korean capital, Seoul.
It was reported last month that the UK had deployed a nuclear-powered but conventionally armed Trafalgar class submarine to the ocean around the Falklands
In: Regional News
Tags: argentina, britain, falklands, submarine, nuclear, weapons, vanguard, trafalgar, treaty, tlatelolco
Location: Argentina (load item map)
Views: 1641 | Comments: 19 | Votes: 0 | Favorites: 0 | Shared: 0 | Updates: 0 | Times used in channels: 2
|Liveleak on Facebook|