Girl aged 10 allegedly stabbed to death by teenager

A 10-year-old girl has allegedly been stabbed to death by a teenager in NSW.

Emergency services were called to a home in Boolaroo - about 20km west of Newcastle - over a reported stabbing attack about 3.45pm on Monday.

Paramedics discovered the girl with multiple stab wounds at the home, but she died soon after they arrived.

Police arrested a 17-year-old girl at the home, who they said was known to the dead girl.

The 17-year-old was taken to Belmont Police Station.