"Metro services of Line 3 (Dwarka-Noida City Centre) and Line 4 (from Yamuna Bank to Vaishali) were running in three short loops following a technical problem with the overhead line electrification," said a Delhi Metro official.

The crowd was thick at Rajiv Chowk, the busiest Delhi Metro interchange through which the Blue Line passes. "The trains are plying from Dwarka Sector 21 to Karol Bagh Metro station and Barakhamba Metro station to Noida City Centre and Vaishali. As the technical snag is between RK Ashram Marg and Karol Bagh Metro stations, the trains run on single loop from Karol Bagh to Barakhamba Metro station and not vice versa," the official said.

A Metro official said that regular announcements were made at all the stations regarding the technical problem and delayed running of trains. The 49 km Blue Line which covers 43 stations in some of the most populous parts of the capital, is the longest route to cover Delhi Metro network.

(Agencies)

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