Three teenagers have been shot and killed in Arima.
The killings happened at a house at Demerara Road in the early hours today.
A fourth person, a 28-year-old, was wounded and has been taken to hospital.
Several gunmen, dressed in police uniform, were involved in the attack.
Witnesses say they they came in a Nissan X-Trail.
The motive is not immediately clear.
The homicide victims have been identified as Jordan Archibald, 15, Nyron Samuel, 19, and Dimitri Archibald, 16.
This is the second triple murder in Arima for the year.
On January 6, the bodies of Polly Ann Chuniesingh, 31, her brother Damian Chuniesingh, 39, and their uncle Randy Chuniesingh were found at a house off Pinto Road.
They had been strangled. One man is charged with the murders.