relief groups say five days were not enough to deliver aid to hundreds of thousands of people, displaced by houthi rebels. >> back in the united states, a gunfight erupted between several rival biker gangs in the u.s. city of waco, texas sunday. >> when all said and done. nine people were killed. reportedly more than 100 weapons recovered there at the scene. we get more now from gabrielle rojas from the cnn affiliate. >> my nearly 35 years of law enforcement experience. this is the most violent and most gruesome scene i have dealt with. >> reporter: police sergeant w. patrick swanton, said his department feared something look this could happen. for two months officers responded to the twin peak restaurants to break up fights. today as many as five separate groups converged close to 200 members in one place. may have been an argument over a