Greek Prime Minister Antonis Samaras is to pay a visit to Washington on Thursday and meet with U.S. President Barack Obama and Secretary of State John Kerry.

Algeria’s army has reinforced its forces along the eastern border with Tunisia, Interior Minister Daho Ould Kablia said on Thursday, days after the killing of eight Tunisian soldiers.

Tunisian forces launched air and ground strikes on militants near the Algerian border on Friday after fierce overnight clashes in the area, which coincided with increased instability and political turmoil in the North African country.