Bogota: At least 9 police officers were killed and three others wounded when their helicopter crashed in northeastern Colombia, a news agency reported.

The helicopter crashed into a mountainous area in Casanare province Saturday, minutes after taking off from the town of Salinas, police said. The aircraft had a mechanical problem.

The injured were shifted to hospitals in the provincial capital of Yopal and in the neighboring Boyaca province.

(Agencies)