A fourth man has been charged over an alleged brick attack in Mandurah.
Detectives arrested the man after releasing CCTV footage of the alleged assault that happened on the Smart Street Mall around 1.30am on Wednesday.
Police allege two of the men threw bricks at a 27-year-old man, causing him to fall to the ground.
A woman suffered a fractured skull after she was also allegedly struck in the head with a brick.
The 19-year-old Beaconsfield man has been charged with one count of grievous bodily harm and unlawfully wounding.
He was refused bail and will appear in the Perth Magistrates Court today.
A 23-year-old Dudley Park man, a 21-year-old Falcon man and a 20-year-old Kelmscott man have also been charged over the alleged attack.
Man charged after allegedly stabbing man, pushing couple down stairs in Silver Sands
Firefighters continue to battle raging bushfire near Boddington
Waikiki P-plater charged with reckless driving along Kwinana Freeway
Police investigate Peron scrub fire
Mandurah teacher allegedly gives birth to student's baby
Australia Day in Rockingham and Mandurah
Police investigate after man stabbed in the neck in Madora Bay
Teen boy tragically killed in horror Mandurah crash
18-year-old male from Lakelands charged over incident in Pinjarra