Possible improvised explosive device found at MacDill Air Force Base Monday: Sources

A package containing what appeared to be an improvised explosive device was discovered outside the visitor center at MacDill Air Force Base on Monday, according to sources who spoke with ABC News. MacDill, located in Tampa, Florida, is home to U.S. Central Command and is one of the most strategically important military installations in the country. The discovery prompted a security response at the base, though specific details about whether the device was rendered safe or if any injuries occurred were not immediately available. Authorities have not yet disclosed whether they have identified a suspect or determined a motive for placing the package at the visitor center. The incident underscores ongoing security concerns at major U.S. military facilities.