Subtitles section Play video Print subtitles Niger's prime minister says a suspected militant attack over the weekend was one of the country's deadliest in recent memory. On Sunday, Prime Minister Brighi Ruffini says 100 people were killed in western villages the day before by what were believed to be Islamist fighters. Thats situation is simply horrible committed by unidentified individuals, but investigations will be conducted so that this crime does not go unpunished. Security sources said civilians had been killed in two simultaneous raids on the same day. Ruffini Sunday. Visit to the zone attacks near the border with Mali was broadcast on national television. He did not say who was responsible.