Story highlights The bombing took place on a busy street in Kabul's diplomatic quarter

Hundreds of people, including women and children, were injured in the attack

(CNN) The death toll in one of Afghanistan's worst terrorist attacks has jumped from 90 to at least 150, President Ashraf Ghani said, one week after the enormous blast shook Kabul.

The huge suicide blast ripped through rush hour traffic in the Kabul diplomatic quarter on May 31, near the Germany Embassy and the Afghan presidential palace

At least 300 people, including women and children, were injured in the explosion, Ghani said while speaking at the Kabul Process meeting.

Photos from the day showed a huge cloud of black smoke, rising from the smoldering wrecks of dozens of vehicles.

It was one of the deadliest attacks in the country since the start of the war in Afghanistan in 2001, which was triggered by the US invasion is search of 9/11 mastermind Osama Bin Laden.

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