A 28 years-old, male Foodpanda rider involved in a motor vehicle crash with a car. He was hit by the car from the back and then fall down on his left side. On arrival, the victim was lying by the roadside, probably moved by the other road users. He looked pale and tachypneic. He complained pain on the left leg.

On examination, the victim had hematoma on his abdomen. The left ankle is swollen and movement is restricted.
The vital signs:
HR: 110 beat/min
BP: 90/68 mmHg
RR: 22 breath/min
SpO₂: 90%

Questions

Identify possible hazards at the scene and explain your precaution steps taken before you approach the victim.
Explain the possible injuries suffered by the victim.

Describe the proper management for the victim at scene.