UPDATE - Reno Police say there were no shots fired. The lock down went on for as long as it did because police were unsuccessful in getting ahold of the people in question, as they were sleeping inside their home.
Police say they're unsure what the sound was that witnesses say they heard.
UPDATE - 4:48P - Students are being released in a controlled release.
UPDATE - 4:40P - According to Washoe County School Police, the lock down went into effect at 3:30pm. There is no word yet on whether or not Reno Police have made contact with a person they believe is in a home on Cannan Street. The lock down started because witnesses say they heard shots fired in the area, and police believe the person in the home might be connected.
UPDATE - 4:35P - If the situation doesn't resolve itself soon, the school will perform a controlled release of students on the side of the school where the police activity is not happening. Parents are asked to pick up their children there and buses will be going there, as well.
UPDATE - 4:15P - School Police tell News 4 that Cannan Street is shut down. Witnesses say they heard gun shots in the area and police are investigating.
SPARKS, Nev. (KRNV & MyNews4.com) -- Cannan Elementary School is on Code Yellow lock down due to a police situation in the area, according to Victoria Campbell with Washoe County School District.
News 4 is on the way to the scene to find out more.