Paul had stood by approving the stoning of Stephen, so now God allowed him to suffer the same. In all probability, he was stoned to death: his murderers observed him at length as they carried him out of the city.

Source:

KJV Defenders Study Bible, by Dr. Henry Morris, Ph.D.
Publisher: Thomas Nelson
Language: English
DEF 10 ISBN 0-529-10444-x
DEF 10-1 ISBN 0-529-10445-8