According to reports, three people tried to enter the campus of the National Security Agency.<br />The intruders tried to ram through a security gate at Fort Meade in Maryland, but their SUV struck a concrete barricade.<br />All three were injured, though the motorists have not been identified.<br />According to officials at the base, the incident took place around 7 a.m.<br />Though armed guards fired during the incident, it appears no one was shot, as gunfire was directed onto the vehicle. <br />
