Suspected Islamic rebels shot dead two Buddhist women in Thailand's restive Muslim-majority south as the country's army-installed premier began a one-day visit to the region Friday. The victims, aged 17 and 20, were gunned down late Thursday in a drive-by shooting while riding a motorcycle in Narathiwat, one of three violence-torn southern provinces bordering Malaysia, police said. Also in Narathiwat, militants set ablaze an elementary school early Friday, destroying a wooden building, while three Army rangers were hurt when a roadside bomb exploded late Thursday in nearby Yala province.