There's been another deadly suicide bombing in Afghanistan.

In the western city of Farah today, an attacker on a motorcycle blew himself up — killing at least 16 people and wounding more than 20 others.

According to the Associated Press:

Afghan police shouted "Stop! Stop!" at the motorcyclist before he detonated the explosives, provincial police chief Gen. Mohammad Faqir Askar said. It was unclear what the bomber was targeting.

From Kabul, NPR's Philip Reeves reports that children were reportedly among those injured and notes that the attack came just a day after Afghan President Hamid Karzai was sworn in for a second term — and after he invited militants who aren't connected to al-Qaida to work with his government:

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