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New Delhi: At least 100 trains were delayed and two trains cancelled due to dense fog on Thursday morning, railway officials said here. "At least 100 trains were running behind schedule due to the dense fog," a Northern Railway official told IANS.

The 14005 Lichavi Express was running 31 hours behind the schedule 12303 Poorva Express was 27 hours behind schedule, the official said.According to officials, at 8.30 a.m. at least 15-20 trains were running late by more than 10 hours, while over 80 trains were running late by more than 2-5 hours. The official further said that the railway has rescheduled 16 trains on Thursday.