ANTANANARIVO, June 27, 2016 (Xinhua) -- Injured people receive treatment at the hospital of Joseph Ravoahangy Andrianavalona in Antananarivo, capital of Madagascar, on June 26, 2016. At least two people were killed and 72 others injured Sunday in a grenade explosion during Madagascar's national day celebration, the prime minister Mahafaly Solonandrasana said. (Xinhua/Nari)