The FBI has issued a warning to residents of Houston, Texas, about a week-long nuclear incident training exercise taking place in the area from May 1-5. The exercise will involveĀ multi-agency cooperation fromĀ federal agencies includingĀ theĀ Department of Defense, Department of Energy, National Nuclear Security Administration, and the Department of Homeland Security, as well asĀ local agencies such as the Harris County Sheriffās Office and Houston Police Department. The FBI has assured local residents that the training exercise will not pose any risks to their safety. Meanwhile, law enforcement agencies are still searching for Francisco Oropesa, a shooting suspect who killed five people in Cleveland, Texas, over the past weekend.