Efforts underway to rescue worker trapped inside Dien Bien hydropower tunnel (07/06/2022)
Rescue workers are battling to save a construction worker trapped for more than a day inside a water-logged hydropower tunnel in Nam Bo district, the northern mountainous province of Dien Bien. At the scene (Photo: VNA) The man and his three co-workers were swept into the 260m tunnel by rain-triggered floods while working at the construction site of a...