(Reuters) - French President Emmanuel Macron said on Friday he was concerned about the "arbitrary detention" and the health of French-Algerian author Boualem Sansal in Algeria.

French President Emmanuel Macron said on Friday he was concerned about the detention and the health of Franco-Algerian author Boualem Sansal in Algeria, and added that it was time to review agreements about immigration between the two countries.

French President Emmanuel Macron on Friday warned Algeria against playing "political games", with diplomatic ties frayed between the two countries, notably over immigration. "(Relations) shouldn't be subject to political games,

Tensions between Paris and Algiers have escalated since last Saturday, when an Algerian citizen who had received an Obligation de Quitter le Territoire Français, an order compelling him to leave French territory, killed one person and injured others in a knife attack in the city of Mulhouse.

French President Emmanuel Macron expressed his concerns regarding the 'arbitrary detention' of French-Algerian author Boualem Sansal in Algeria. Speaking in Portugal, Macron emphasized that Sansal's situation is crucial for restoring trust between France and Algeria.

Rabat - French-Algerian writer Boualem Sansal, imprisoned in Algeria since mid-November, has refused food since Monday, his lawyer said on Sunday.  He French-Algerian writer Boualem Sansal, imprisoned in Algeria since mid-November,