Five youths were issued with transit barring orders following an investigation into a recent incident on the Belair line.
A man has been arrested after allegedly stealing items from a building site at Port Noarlunga South.

A man was reported and his licence disqualified for twelve months after riding at an extreme speed at Truro this afternoon.
The driver of a car involved in a fatal crash at Birdwood last month has died in hospital.
A man was arrested at Morphett Vale this morning after trying to get away from police.
A driver will face court after the police helicopter detected him doing burnouts at Edinburgh last night.
A car ended up on its side and knocked out traffic signals after a crash at Thebarton overnight.
A man will face court after police allegedly discovered explosive materials at his Elizabeth Park address last night.
South Australia Police will increase patrols on the Belair train line as part of Operation Mountain.
A bus passenger was taken to hospital after a crash at Golden Grove last night.