At least eight people including six Rohingyas were killed after heavy chunks of hill collapsed in Balukhali Rohingya camp in Ukhia, Moheshkhali and Teknaf of Cox's Bazar on Tuesday.
Cox's Bazar Deputy Commissioner Md Mamunur Rashid said the casualty occurred during separate incidents of landslides in the morning.
In Balukhali Rohingya camp, six Rohingyas including three children were killed while two more sustained injuries, said Samsuddoza Nayan, Additional Commissioner of Refugee Relief and Repatriation Commission (RRRC).
The deceased were identified as Dil Bahar, 42, wife of Shah Alam, her son Shafiul Alam, 9, Deel Bahar, 25, wife of Md Yusuf, her son Abdur Rahman, 3, daughter Ayesha Siddiqua, 1.
At the same time, another minor was also killed whose identity could not be known immediately, Nayan said.
The incident occurred around 10am near Balukhali Rohingya camp-10 and rescue operation was disrupted due to the heavy rainfall, he said.
Another child, Bahar, was also swept away in the flashflood at Camp-8 in Teknaf, he added.
Meanwhile, a teenager Morsheda Aktar, 14, daughter of Ansar Hossain was killed in another landslide in Cox's Bazar's Moheshkhali upazila, said Moheshkhali Union Parishad chairman Ziad Bin Ali.
The victim was sleeping when the tragic incident occurred at Uttar Sipahir Para early in the morning.
Local Meteorological Department, Cox's Bazar recorded 117 millimeter rainfall from Monday 12pm to Tuesday 12pm while cautionary signal no 3 has been hosted in the sea areas.
The torrential rain is likely to continue for two-three days more, the Met office said.