Life rafts and escape chutes on a sister ship to the sunken Sewol ferry have been found to not work properly, the Reuters news agency has reported investigators as saying.
More than 300 people, most of them students and teachers from the Danwon High School near Seoul, are dead or missing presumed dead after the April 16 disaster.
The confirmed death toll currently stands at 181.
More top news
The vehicle is captured on CCTV crashing through the shop window and hitting a browsing customer who was lucky not to be seriously hurt.
After its meteoric five-year expansion, ITV News has learned a new legal challenge could have a costly impact on Uber's booming business.
Journalist Steve Hewlett, who shared his experience of battling cancer on BBC Radio 4, has died of the disease at the age of 58.