The airstrike in question hit a hospital run by Doctors Without Borders, known by its French acronym MSF, in northern Yemen last month, killing 19 people.
Amnesty says in a report released today that a picture analyzed by a munitions expert reveals that a US-made precision-guided Paveway-series bomb was dropped on the site.
The attack the fourth on the MSF's facilities prompted it to withdraw from northern Yemen due to what it described as "indiscriminate bombings and unreliable assurances" from the US-backed coalition.
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