FORT RANSOM, N.D. — A portion of the Keystone oil pipeline has ruptured, forcing it to be shut down in North Dakota. It is not known what caused the break and the amount of crude oil that flowed into ...

“The ransom note demands victims make contact within 48 hours via either a Tor browser-based live chat, or via Tox, an end-to-end encrypted instant-messaging platform,” the agencies wrote.