Firefighters in Wales are today joining their colleagues in England by going on strike in a continuing row with the UK Government over pensions.
It's the latest in a series of walk-outs. They'll strike for 5 hours starting at 10am.
Fire chiefs have urged people to be extra vigilant, and avoid throwing cigarettes onto grass land, which will be dry because of the current hot weather.
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It should be a largely dry night, with clear spells and feeling cooler than last night, especially in rural spots.
Wales went top of the world rankings for the first time after beating England 13-6 in Cardiff.
Violent movement sensors will automatically open doors and sound high pitched alarms, with fine water jets soaking the interior of the units