The death toll in Kabul's PD9 explosion has risen to 20, while 30 others injured in the blast.
A regional affiliate of the Islamic State militant group claimed responsibility for the attack, saying it had targeted the police.
In a statement Thursday, President Ashraf Ghani called the attack "inhumane" and against the tenets of Islam.
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Another patient reportedly died of the illness in Canada , where the source of the bacteria was tracked down to the leafy greens. Though the source of infection is still unknown, the CDC is investigating leafy greens and romaine lettuce.
A police official told Efe news that the suicide attacker was on foot and wore a vest loaded with explosives that he detonated near the policemen watching the demonstration.
There has been an increase in security since last May when a truck bomb in the diplomatic quarter killed 150 people and wounded around 400 others.
But experts say IS operates several cells in the city, enabling the group to plan and carry out attacks under the noses of Afghan security and intelligence agencies.
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Rashford's finishing let the hosts' approach play down, though, when the striker skied over the bar after being played through. After Lingard's goal, Lukaku added a second to make absolutely sure of the win.
In the past few months the Taliban have also stepped up attacks. No group has yet claimed that attack.
The deadly assault comes a week after more than 40 people were killed and dozens more wounded in a suicide blast, claimed by Islamic State, which targeted Shia Muslims in Kabul.
US troops have remained in the country, although at greatly reduced numbers, helping to train and support Afghan forces in their battles against the militant groups.
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