Halifax explosion

Dr. Grumpy writes about the Halifax explosion on December 6, 1917:

Although there were many heroes that awful day, one man stands out. His name was Vince Coleman, and he was a railway dispatcher ashore. When he learned of the burning ammunition ship, he realized that a loaded passenger train was on it's way to the waterfront depot, and would be there in a few minutes. Instead of saving himself, he ran to the telegraph key and quickly tapped out "Stop trains. Munitions ship on fire. Approaching Pier 6. Goodbye." He was killed a few seconds later in the explosion, and is credited with saving at least 300 lives.