Iran-linked hackers suspected in UK power-plant shutdown after alleged Minnesota water attack

Iran-linked hackers are suspected of forcing a small British power generator offline for four days last month, the latest sign that Tehran-linked cyber activity may be moving from probing vulnerable systems to causing disruptions U.S. officials have long warned about.

Iran-linked hackers were behind the outage, according to British security officials who spoke with multiple news outlets.

"To be clear: there was no threat to the wider grid and nobody lost power. We have one of the most...