Twelve persons were arrested, with ammunition and narcotics seized during a Joint State of Emergency exercise in the Arima district and in Central Division yesterday.
At La Retreat Road, Arima, three men were arrested in connection with a wounding incident involving a police constable.
A Gasparillo man was found in possession of cannabis, while three persons from Jacob Hill were arrested for possession of ammunition.
In Tunapuna, two individuals were held for outstanding warrants.
In central Trinidad, three persons were arrested and a rifle and quantities of ammunition were seized.