Israel is cutting off its electricity supply to Gaza as the country’s energy minister vowed to use “all the tools available” to free the last of the hostages held by Hamas. The supply of electricity into the Gaza Strip from Israel was cut off suddenly on Sunday by the Israel Electric Corporation on the orders of Energy Minister Eli Cohen.

Israel says it has cut the flow of electricity to the last facility in Gaza that was still receiving power from the Israel Electric Corporation.

The move, which will mainly affect a single wastewater treatment plant, appeared intended to put pressure on Hamas.