"While 138 calls were received so far till 9 pm today, 65 of them were received between 2 pm and 8 pm, and as many as 27 received in the next one hour," said a senior official at Delhi Fire Services.
The few hours post 6 pm on Diwali are said to be the peak hour for people to burst crackers and this is when fire officials get the most number of calls.
In 2013, the fire department had received around 75 calls between 2 pm and 8 pm, said the official.
The Delhi Fire Services had deployed fire tenders at 20 vulnerable locations in the city including congested areas and key market places in addition to its 56 fire stations.
Around 1,800 personnel of the Delhi Fire Services out of its total strength of 3,000 are on duty while 175 to 180 fire fighting vehicles along with 25 to 30 vehicles to provide logistics are also operational, the senior official added.