I see nothing the matter with the need to warn people.

Had the little boy run ahead to warn his people?

I heard him warning his people down there about you.

Most of them warn people that something very good will happen if they change their lives.

Beach officials warned people to stay out of the water.

"World events are moving in the direction I have long been warning people about."

That sign was not put here to ask for help, but to warn people away.

It could be that's all they can do, and they're simply trying to warn their own people to get out.

He wants to warn people what can happen when governments are given too much power.

"Are you one of those doctors who always warns people about how much something's going to hurt?"