fuel for aircraft leaked from the U.S. Navy Atsugi Air Base in Kanagawa Prefecture.

The amount that flowed out is not known, and there is no information on the damage so far. The local city of Ayase has installed oil-absorbing mats in the river. The riverside area of Ayanan Park downstream is off-limits, and disaster prevention radios are used to urge people not to enter the river, NHK reports. The city has installed an oil mat to adsorb oil.