now the houthis, with their hostile message to america and its allies: >> narrator: journalist safa al ahmad spent months reporting from the middle of the conflict. >> narrator: she negotiated rare access to the houthi rebels as they advanced. >> narrator: and she traveled into the heartland of al qaeda to meet the houthis' bitter rivals. >> narrator: from inside yemen, the story of how the houthi rebels ignited a battle that has turned an american ally into a warzone of anti-american militants. >> narrator: with a saudi led coalition trying to break the houthis hold... (explosion) frontline investigates "the fight for yemen." >> frontlinis made possible by contributions to your pbs station from viewers like you. thank you. and by the corporation for public broadcasting. major support for frontliis provided by the john d. and catherine t. macarthur foundation, committed to building a more just, verdant and peaceful world. more information is available at macfound.org. additional support is provided by the park foundation, dedicated to heightening public awareness of critical issues. the ford

now the houthis, with their hostile message to america and its allies: >> narrator: journalist safa al ahmad spent months reporting from the middle of the conflict. >> narrator: she negotiated rare access to the houthi rebels as they advanced. >> narrator: and she traveled into the heartland of al qaeda

now the houthis, with their hostile message to america and its allies: >> narrator: journalist safa al ahmadle of the conflict. >> narrator: she negotiated rare access to the houthi rebels as they advanced. >> narrator: and she traveled into the heartland of al qaeda