Delhi Metro Rail Corporation has reportedly said that the Blue Line operations were being terminated as an overhead equipment cable on Blue Line was cut off after a tree fell on it during the storm.
Flight operations to and from the Indira Gandhi International (IGI) Airport in New Delhi was majorly hit, with sources at the airport confirming over 40 diversions and more than two dozen delays.
An Air Vistara flight from Srinagar was diverted to Amritsar following the weather change.
Rain and a dust storm with a wind speed of up to 70 kmph hit Delhi and several parts of Punjab and Haryana, including Faridabad and Gurgaon, on Sunday, bringing the mercury down after a spell of scorching heat over the past few days.
Global flights from Katmandu, Riyadh, Colombo, Jeddah, Kabul were delayed even as flights from Tokyo, Newark and Colombo were diverted to other places, the sources said.
The Indian Meteorological Department (IMD) had yesterday warned of thunderstorm and squall in parts of North India including Delhi.
The change in weather brought in relief as the day temperatures at most places in both states were in the 40-45 degrees Celsius range.More news: IDF publishes images of destroyed Iranian military sites in Syria
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A dust storm accompanied by a squall hits parts of Delhi, Noida and Gurugram on Sunday evening. Humidity during the morning hours was recorded at 60%, the official added. "So, there will be significant decrease in thunderstorm activity over north-western states until 13 May, when a fresh western disturbance is likely to affect the West Himalayan region and cause thunderstorms in north region", said an IMD official.
On Sunday, thunderstorm accompanied with gusty winds is also likely at isolated places over Punjab, Haryana, Chandigarh & Delhi, Assam & Meghalaya, Nagaland, Manipur, Mizoram & Tripura, Vidarbha, Chhattisgarh, south Madhya Maharashtra, South Interior Karnataka, Lakshadweep, Kerala and Tamilnadu and Puducherry.
'This was necessitated due to falling of a tree on OHE wires between Okhla and Jasola stations due to the thunderstorm.
# 07:38 PM: 5 persons died due to lightning and thunderstorm in Andhra Pradesh's Srikakulam district, according to NDMA.
Normal services on this section was restored at 7:37 pm, it said.
When the Metro services resumed, the trains plied at halting speed. There is no problem anywhere in the network, the DMRC said in the statement.