Rohingya volunteers clean up an area after a fire broke out earlier this week that destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. REUTERS/Mohammad Ponir Hossain

Damaged liquefied petroleum gas (LPG) cylinders are piled on top of each other after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 24, 2021. REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, has a wound treated at a makeshift medical centre after a fire broke out earlier this week that destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. REUTERS/Mohammad Ponir Hossain

Rohingya volunteers help out at a meal distribution centre after a fire broke out earlier this week that destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. REUTERS/Mohammad Ponir Hossain

Mohammed Salim, 13, assists his mother Noor Banu, 32, who has a wound on her knee, as they make their way to the International Organization for Migration (IMO) center to collect relief supplies after a fire broke out earlier this week which destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. REUTERS/Mohammad Ponir Hossain

A Rohingya refugee stands amongst the remains of burnt materials after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 24, 2021. REUTERS/Mohammad Ponir Hossain

A burnt assistance card and relief token belonging to Noor Banu, 32, is positioned for a photograph after a fire broke out earlier this week which destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. REUTERS/Mohammad Ponir Hossain

Mohammed Akter, 8, collects drinking water in a jerrycan from a tube-well at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, talks to a relative over the phone as she tries to trace her eleven-year-old son Mohammed Karim, who went missing after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. "I can't take this pain any more," Banu said. "I believe Karim is dead, and I may not even be able to identify his body." REUTERS/Mohammad Ponir Hossain

Brothers Mohammed Akter, 8, and Mohammed Harun, 10, both of whom were partially burnt in Myanmar after a military-led crackdown in 2017, pose for a photograph on the floor of their burnt shelter after a fire broke out earlier this week and damaged thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, and her two sons Mohammed Salim, 13, and Mohammad Harun, 10, wait at the International Organization for Migration (IMO) center to collect relief supplies after a fire broke out earlier this week that destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. REUTERS/Mohammad Ponir Hossain

Mohammed Harun, 10, who was partially burnt in Myanmar after a military-led crackdown in 2017, poses for a photograph at a relative's shelter after his shelter was burnt in a fire which broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, reaches out of her brother-in-law's makeshift shelter as she puts a solar powered lamp under sunlight to charge it, after her shelter was burnt in a fire earlier this week which destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, points at a picture of her eleven-year-old son Mohammed Karim who went missing after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. "I can't take this pain any more," Banu said. "I believe Karim is dead, and I may not even be able to identify his body." REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, adjusts her scarf next to the remains of her burnt makeshift shelter after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Clothes are hung up to dry near makeshift shelters after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Brothers Mohammed Harun, 10, and Mohammed Akter, 8, remove ashes from the floor of their burnt makeshift shelter after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Mohammed Harun, 10, looks at a photograph of his father who is jailed in Myanmar, after their shelter was damaged in a fire that broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, reacts as she sits on the floor after seeing a photograph of a dead body on a smartphone that she thought was possibly of her eleven-year-old son Mohammed Karim, who went missing after a fire broke out earlier this week and destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 25, 2021. "I can't take this pain any more," Banu said. "I believe Karim is dead, and I may not even be able to identify his body." REUTERS/Mohammad Ponir Hossain

Noor Banu, 32, stands in her brother-in-law's shelter as she speaks to her relatives and local Rohingyas about her eleven-year-old son Mohammed Karim who went missing after a fire broke out earlier this week that destroyed thousands of shelters at the Balukhali refugee camp in Cox's Bazar, Bangladesh, March 26, 2021. "I can't take this pain any more," Banu said. "I believe Karim is dead, and I may not even be able to identify his body." REUTERS/Mohammad Ponir Hossain