In 1986 Billy Graham wrote a book about angels. In it he recounts a most amazing story. John Paton was a missionary in the New Hebrides islands. One night the warriors from one of the local tribes surrounded the mission headquarters, planning to burn the Patons out and kill them. As you can imagine, John Paton and his wife were terrified, and prayed all through the night that God would save them. When daylight came they were astonished to see the warriors leave without attacking them.

A year later the chief of the tribe became a Christian. During the course of their conversations John Paton asked the chief about that night. What had kept the warriors from burning down the house and killing them?

The chief asked, “Who were all those men you had there with you?”

Paton replies: “There was no one other than my wife and I”

The chief tells Paton that he and his warriors had seen hundreds of men standing guard around the mission headquarters, men with shining clothes and holding drawn swords.

Source: reported in Billy Graham, Angels|