The incident took place in July, at the same time as a series of attacks on US water infrastructure which sparked worry in the White House and affected 12 states The exact location of the power plant has not been disclosed for security reasons, but it was offline for days. Key points and original sources are listed below.

• The incident took place in July, at the same time as a series of attacks on US water infrastructure which sparked worry in the White House and affected 12 statesS1

• The exact location of the power plant has not been disclosed for security reasons, but it was offline for days.S2