Yemen's Houthi rebels claim to have attacked the port city of Jazan, Saudi Arabia with ballistic missiles. Saudi authorities have not confirmed the strike, but a Saudi civil defense alert was issued for Jazan on early Saturday and bystander videos purporting to show fire damage are circulating on social media. NASA FIRMS fire monitoring data shows five substantial thermal anomalies - infrared signatures not present in previous time periods - located in the eastern half of the Jazan refinery, all within the last 3-6 hours. FIRMS infrared detections may stem from natural or routine events, like flaring, but the new...