Heat stroke is a serious medical emergency that requires immediate attention. It occurs when the body's temperature rises to a dangerous level, and the person is no longer able to regulate their body temperature. Heat stroke can be caused by prolonged exposure to high temperatures, dehydration, or physical exertion in hot weather.

If you suspect that someone is suffering from heat stroke, it is important to take action quickly. Here are some steps you can take:

1. Call for emergency medical assistance. Heat stroke is a medical emergency that requires immediate attention. Call your local emergency number right away.

2. Move the person to a cooler location. If possible, move the person to a cool, shaded area or an air-conditioned room.

3. Remove excess clothing. Remove any excess clothing and accessories, such as hats or scarves, to help cool the person down.

4. Cool the person down. Use cool water to spray or sponge the person down. You can also apply ice packs to the neck, armpits, and groin to help cool the person's core body temperature.

5. Offer fluids. Encourage the person to drink cool water or sports drinks to help rehydrate their body.

It is important to keep an eye on the person's condition while waiting for emergency medical assistance to arrive. If the person loses consciousness, stops breathing, or their condition worsens, start performing CPR immediately.

Prevention is always better than cure, make sure to stay hydrated during hot weather and avoid prolonged exposure to high temperatures. Remember, heat stroke is a medical emergency that requires immediate attention, so don't hesitate to call for help if you suspect that someone is suffering from it.