Answer:
The most ethical action to take in this situation is to warn the other team about the hazard you have noticed. Many people may act unethically by not telling the other team because it could help their own team my hurting the opposing players. In this circumstance you would want to fix the hazard so it can not harm anyone, but if you can not do it on your own you should tell the other teams coach, or tell your coach so they may tell the other teams coach.
Step-by-step explanation:
Hope this helps