Two people have been injured, and four children have been caught up in three separate crashes across the Peel region on Friday.
Emergency services were kept busy as they attended incidents in South Yunderup, Coodanup and Mandurah.
The RAC Rescue helicopter was forced to land in South Yunderup after a serious motorcycle crash about 5:36pm.
Its understood a hatchback crashed into the back of the motorcycle on South Yunderup Road near Willow Gardens.
The impact flung the rider, a man, into the car’s windscreen, which left him with broken bones and serious head injuries.
After the initial call for paramedics at 5:36pm, St John Ambulance arrived at the scene more than 20 minutes later at 6:01pm.
The 32-year-old was flown to Royal Perth Hospital in a critical condition.
South Yunderup Road was closed for several hours as Major Crash investigators worked to piece together exactly what happened.
Half an hour later, four children were caught up multi-car pileup at a Coodanup intersection.
Firefighters and police rushed to the traffic lights of Pinjarra Road and Stratford Road after reports several were injured about 6:30pm.
It’s understood a white Kia van, carrying four child passengers, rear-ended a silver hatchback before it crashed into a 4WD in front.
The driver of the hatchback, a man, was reported to be trapped inside the car.
Firefighters from Mandurah, Falcon and Rockingham rushed to the scene to free the man.
St John Ambulance were called to the intersection, located less than 1.5 kilometres away from Peel Health Campus, at 6:33pm.
Paramedics didn’t arrive until 7:28pm, more than 40 minutes later.
A St John Ambulance spokesperson said they experienced an “exceptionally” busy afternoon period on Friday.
The spokesperson clarified that police at the scene told them that the driver was no longer trapped, therefore, it took the pressure off attending paramedics.
The man, in his 50s, was taken to Peel Health Campus with minor leg injuries.
Emergency crews initially called for a second ambulance to assess a five-year-old child, who was a passenger in the van, but the St John Ambulance spokesperson confirmed all four children managed to escape no physical injuries, including their mother.
A third crash saw a driver arrested after a two-car collision in Mandurah about 9:30pm.
It’s understood a grey Toyota t-boned a hatchback at the intersection of Peel and Forrest Streets.
Both drivers escaped serious injury.
However, the driver of the hatchback was taken into police custody at the scene.
Anyone with dashcam vision or may have witnessed any of the three crashes is urged to contact police on 1800 333 000.