An 18-year-old man has been charged over a brawl at a Perth fast-food restaurant which left another teenager in hospital with multiple stab wounds.
Police say two men got into an argument on Monday night with four other men at a McDonald's restaurant on Safety Bay Road in Baldivis.
When the group of four left McDonald's and walked towards Norseman Approach they were followed by the other two men.
A fight broke out which resulted in three people being rushed to different hospitals with injuries.
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A 17-year-old teen remains in Royal Perth Hospital suffering multiple stab wounds while another man is also in hospital with head injuries.
The 18-year-old Baldivis man has been charged with two counts of going armed in a manner to cause fear, one count of threatening to kill and one count of possessing an article with intent.
He will appear at Rockingham Magistrates Court later on Wednesday.