The incident happened in the Deans Walk area of the town on Friday night.
The victim has been taken to Craigavon Area Hospital for treatment to her injuries.
Part of the Dublin to Belfast railway is shut due to a van on fire in Lurgan, County Armagh.
Translink has suspended essential engineering work following the incident in Lurgan.
A man is arrested in County Armagh after a police helicopter is targeted with a laser.