RFI:-  France's minister for overseas territories has arrived in the Caribbean island of Martinique in a bid to end more than a week of violent protests sparked by Covid-19 restrictions and other social grievances. He made no headway with unions during his short visit to neighbouring Guadeloupe on Monday, and announced the deployment of extra troops to restore calm. He also failed  to end an impasse in talks that aim to end more than a week of violent protests sparked by Covid-19 restrictions. Before departing for more talks in neighbouring Martinique, Sebastien Lecornu told reporters that the Guadeloupe negotiations had been deadlocked over the 'obvious and