The Northern Territory Police Force are investigating after 7-year-old child died in Tiwi this afternoon.

Around 1:55pm, the Joint Emergency Services Communication Centre received a report that a 7-year-old female was struck by a falling palm tree at an address in Tiwi while playing in the yard.

Police and St John Ambulance attended the scene, and the victim was conveyed to Royal Darwin Hospital; however, she was pronounced deceased prior to arrival.

An 11-year-old male was also struck by the palm tree and suffered non-life-threatening injuries.

The incident is not believed to be suspicious.

Investigations are ongoing and a report will be prepared for the coroner.