Eighteen people were injured after a fire broke out at a hotel in South Korea's Incheon, local media reported on Sunday. 

The fire started at around 9:02 p.m. local time at a hotel with three underground floors and 18 floors above ground. It was extinguished one and a half hours later. 

The wounded suffered from smoke inhalation and other minor injuries, local media reported.

The local fire department is now investigating the cause of the blaze.