India, Jan. 12 -- Operations on the Airport Express Line (Yashobhoomi Dwarka Sector-25 to New Delhi) remained impacted for the entire day on Sunday, allegedly after an attempted cable theft in the early hours of the day. Trains were operated manually, at reduced speeds of around 25km per hour against the usual speed of 100-120km per hour, from 7am.

Officials said around 800 metre of the signalling cables on tracks were damaged and operations between Dhaula Kuan and Shivaji Stadium stations were affected.

"The cable theft disrupted the signalling system, and trains are running at a restricted speed of 25km/hr in the affected section. Rest of the stations on Airport Express Line saw normal services. Trains on this line move every 10 minut...