India, April 13 -- A protest by factory workers demanding a wage hike turned violent in Noida on Monday, with vehicles set on fire, property vandalised and incidents of stone-pelting reported from Phase 2 and Sector 60 areas, police said.

The unrest severely disrupted traffic during peak morning hours, leaving thousands of commuters stranded on roads leading to Delhi. Long queues of vehicles stretched for several kilometres, particularly near the Delhi-Noida border.

According to officials, large groups of workers from multiple industrial units gathered to press for long-pending salary revisions and raised slogans during demonstrations. Similar protests were reported from Sectors 62 and 84, including at a unit of the Motherson group, whi...