Gladys Knight's Chicken and Waffles close suddenly

ATLANTA - The Georgia Department of Revenue raided all three of Gladys Knight's Chicken and Waffles restaurants Tuesday afternoon.

According to TMZ, agents asked customers and employees to leave before removing computers, files and contents from safes.

Knight's son is said to be at the center of the investigation.

The singer's public relations' department sent FOX 5 News the following statement: