SEOUL, South Korea — North Korean officials offered a rare public apology for the collapse of an apartment building under construction in Pyongyang, which a South Korean official said was believed to have caused considerable casualties that could mean hundreds might have died.
Word of the collapse in the secretive nation's capital was reported Sunday by the North's official Korean Central News Agency, which gave no death toll but said that the accident was "serious" and upset North Korea's leader, Kim Jong Un.
The report said it occurred in the capital's Phyongchon district on Tuesday "as the construction of an apartment house was not done properly, and officials supervised and controlled it in an irresponsible manner."
In Seoul, a South Korean government official speaking to the Associated Press on condition of anonymity because of the sensitivity of the information said the 23-story apartment building that collapsed was presumed to have housed 92 families.
That could mean the casualties could be in the hundreds because a typical North Korean family has four members. However, it was not clear whether all of the residents were inside at the time of the collapse or how many people lived in each apartment.
It is not unusual for people to start living in apartments in North Korea before the construction is complete.
The official said he did not have any figure for the actual death toll.
The Korean Central News Agency said the rescue operation ended Saturday, and officials apologized to bereaved families and district residents.
On the streets of Pyongyang on Sunday, residents expressed outrage over the incident.
"This accident happened because they broke the rules and methods of construction," resident Pak Chol told the Associated Press. "After this accident, we must make sure that this kind of terrible accident never happens again, by sticking to the proper method of building."
Another resident, Hong Nam Hyok, said that "everyone in Pyongyang is now sharing the sorrow of the victims and the bereaved families."
The Korean Central News Agency report quoted one official as saying that Kim Jong Un "sat up all night, feeling painful after being told about the accident."
North Korea's highly controlled state media rarely report news that might be considered negative, and an admission of fault by the government is unusual. Sometimes, however, the country does own up to failures.