The Northern Territory Police Force has arrested three female youths in relation to an incident in Darwin City overnight.

Around 8:55pm, police received reports that a 26-year-old female was allegedly assaulted by three female youths along the Esplanade.

It is alleged the group of youths were attempting to steal the victim's bag; however, they were disturbed by a taxi driver who stopped his vehicle where the assault was taking place.

The alleged offenders subsequently fled the scene and later boarded a Metro Bus from Darwin CBD.

Police attended, and with assistance from CCTV operators, located the bus and conducted a traffic apprehension on Daly Street.

During the arrest of the three youths, the offenders allegedly assaulted two police officers. One of the offenders spat on an officer and then assaulted the second officer by scratching their arm and kicking them to the chest.

All three offenders were taken into custody with charges expected to follow.

Investigators from Strike Force Trident urge anyone with information in relation to this assault to make contact on 131 444 quoting P25278100. Anonymous reports can be made through Crime Stoppers on 1800 333 000 or via https://crimestoppersnt.com.au/.