Man bitten during robbery in Adelaide

A man has been bitten and attacked with a metal bar as he chased two robbers in Adelaide.

The Welland man woke at 1.30am on Wednesday and interrupted two men trying to force open a locked storage container on the back of his truck.

He chased them and as they ran off he was hit with a metal bar and bitten by one of the offenders, police say.

The victim managed to detain one of his attackers and a 57-year-old man has now been charged with string of offences including property damage and attempted theft.