At least 18 trains were cancelled, 37 delayed and seven rescheduled, due to fog in several parts of northern India, officials said.
There was moderate fog in the national capital on Tuesday morning. "The sky is expected to be clear with no rainfall prediction," an India Meteorological Department (IMD) official told IANS.
The maximum temperature is likely to hover around 25 degrees Celsius. The humidity at 8.30 a.m. was 79 per cent and visibility stood at 800 metres.
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