Five workers are missing after a partially-constructed underwater tunnel collapsed in Japan on Tuesday.
The five men, aged 38 to 61, went missing after the tunnel at the Mizushima oil refinery in Okayama Prefecture was flooded with seawater.
One worker escaped from the tunnel.
The tunnel is 35 metres deep and 820 metres long, and has been under construction for the past two years.
Attempts to find the missing workers have been suspended due to poor visibility that poses a risk to rescue divers.
It is unclear when rescue operations will resume.
A company spokesman said operations and shipments at the refinery were not affected by the accident.
Travis Brecher, Reuters