Bible Verses About Towers: Watchmen posted on, in times of danger

And the watchman that stoode in the towre in Izreel spyed the companie of Iehu as hee came, and sayd, I see a companie. And Iehoram said, Take a horseman and send to meete them, that hee may say, Is it peace?

I will stand vpon my watch, and set me vpon the towre, and wil looke and see what he would say vnto mee, and what I shall answere to him that rebuketh me.