alexi o'brien reports this is the latest in a series of tragedies. through smoky haze, emergency workers battle a blaze burning since thursday. this was once a food and beverage factory in an industrial town 25 kilometers east of the capital of dhaka, the five-story building now a charred shell. it is believed the fire began on the ground floor and spread quickly because of chemicals in plastic bottles stored inside. the main gate was said to be locked, trapping many workers. they were instead brought out in body bags, covered in ash and dirt and packed into ambulances. [woman crying] relatives waited through the night for news as flames lit up the darkness and smoke load into the sky. >> my brother worked at the sixth floor of the factory. i lost communication after 5:00 p.m.. his phone is switched off. god, help a. -- help me. >> we came here because my niece wasn't answering her phone, and now the phone is not ringing at all. we are worried. reporter: while some people were rescued from the roof, others were injured while they -- injured when they

it comes just weeks after another dangerous he twice as alexi. o'brien, me, this is the largest wild fire of the year in california, burning along the border with nevada. a combination of 2 fires, sparked by lightning, are doubled in size between friday and saturday, fires rolling down air. it's one of several fires, straightening homes across the wasted united states, blamed on so called heat dome, pockets of high pressure which push warm air down, forcing temperatures up this job. those are the effects of climate change. here it's real been induced impacts. acute impacts are happening decades before even the scientists i predicted with scorching temperatures across penn state's 30000000 americans facing extreme heat. this wildfire and oregon doubled in size on saturday, pushed by strong winds. officials with cold delays, unpredictable and erratic. some areas have been evacuated, others have been told to pack up and be ready to leave at any moment. the heat and the fires, putting pressure on the power grid, people are being urged to conserve water and electricity. and then they just

it's feared many more, remained trapped inside the building. alexi o'brien reports, i want to make through the smoky, hey, emergency workers battle a place that's been burning since thursday. this was one of food and beverage factory and real gunch, an industrial town at 25 kilometers east of the capital docker. the 5 story building now a child shell. it's believe the fire began on the ground floor and sprayed quickly because of the chemicals and plastic partial stored inside. the main gate was said to be locked trapping many workers. they were instead of brought out and body bags covered and ash, and dirt and packed into waiting. ambulances was la relatives waited overnight. the new, as flames lit up, the darkness and smoke billowed into the sky. i felt like i've got my brother worked at the 6th floor of the factory. i lost communication with him after 5 pm. this morning till switched off. oh, god helped me. i didn't do the meeting. we came here because my niece was not answering her phone for a while, and now the phone is not ringing the toll worry. well, some people were rescued from th