Indian rescuers say very close to reaching 41 men trapped in tunnel

Uttarakhand tunnel collapse: First video emerges of Indian workers stuck in tunnel

Israel says soldier executed, foreign hostages held at Gaza's Shifa hospital

Rescuers in India tunnel collapse begin replacing drilling machine on 7th day

Hamas operatives used phone lines installed in tunnels under Gaza to plan Israel attack over 2 years, sources familiar with intelligence say

The 'Gaza metro': The mysterious subterranean tunnel network used by Hamas

How would an Israeli ground assault on Gaza unfold?

Israel targets Hamas’s labyrinth of tunnels under Gaza

Gotthard: World's longest rail tunnel shut for months after freight crash

World Scout Jamboree: Scores hit by heat exhaustion in S Korea

S Korea tunnel tragedy: Officials ignored multiple warnings

South Korea floods: Tunnel horror strikes fear of monsoon