Seven labourers were rescued while two others were still trapped after an under-construction tunnel caved in at Sleemanabad in Madhya Pradesh's Katni district, officials said on Sunday.
The tunnel of the Bargi canal project had caved in late Saturday night, trapping nine labourers.
Seven of them were so far pulled out from the debris, Madhya Pradesh Additional Chief Secretary (Home) Rajesh Rajora told PTI.