as a warning, the heat wave will continue and could get worse. alexia ryan reports in vietnam's capital noise, the mercury is rising. and so for many, there's only one option aid. so the cool my of, of this year in comparison to previous use is hold for more extreme the heat wave has baked vietnam for weeks. there's usually a whole period before the reigning season. but this year it's been longer and more intense. that's called full cost is wanting of a possible drought city officials scrambling to safe walks at their own. so saving electricity levels and some of the hydropower dams, along with an average and the surging temperatures are putting pressure on the national grid as more people using air conditioning. as in paul either because if everyone saves energy, they will have enough electricity. if not, there will be a partial overload, which will put the grid risk to safe power. the city is turning off the street lights earlier than usual and turning them on later. prioritizing major roads and public parks offices and shopping moles. it'd be nice to have the energy use and people wa