Argentina has promised to gain “full sovereignty” of the Falkland Islands with “concrete action” after Britain surrendered control of the Chagos Islands. The country’s foreign minister, Diana Mondino,

Argentina has vowed to gain “full sovereignty” of the Falkland Islands after the UK gave up control of a remote archipelago in return for securing the future of a strategically important military base.

The Falklands remain safe in British hands, governor Alison Blake has said after the UK agreed to give sovereignty of the Chagos Islands to Mauritius.

The agreement ends decades of dispute over Britain’s last African colony, from which thousands of people were forcibly evicted, while maintaining a key U.S.-British military base there.

The government of Mauritius has long argued that it was illegally forced to give the Chagos Islands away in return for its own independence from the UK in 1968. At the time, the British government had already negotiated a secret deal with the US, agreeing to lease it the largest atoll, Diego Garcia, for use as a military base.

The governor of the Falkland Islands has sought to reassure her citizens over the territory's sovereignty following the UK's deal with Mauritius over the Chagos Islands. Alison Blake, the governor of the Falkland Islands,