India, Dec. 11 -- At least 18 labourers were killed while one person survived after a truck carrying them skidded off a narrow mountain road and fell into a deep gorge near Metengliang in Arunachal Pradesh's Anjaw district, officials said on Thursday.

Anjaw superintendent of police (SP) Anurag Dwivedi said the group of 22 labourers had left Assam's Tinsukia district on December 7 for Chaglagam, where they were engaged for construction work. When they failed to arrive by December 10, their associates raised an alarm at the Hayuliang police station.

"Hayuliang police then activated local sources to trace the missing workers. During the search, officers were alerted by a Border Roads Task Force (BRTF) camp that an injured man had reached t...