The US has charged Ahmad Khan Rahami with planting bombs in New York and New Jersey.
Twenty-nine people were injured when a bomb went off in the Chelsea neighbourhood of Manhattan on Saturday.
Mr Rahami was already charged by the state of New Jersey with the attempted murder of police, during his arrest.
The new federal charges include use of a weapon of mass destruction, bombing, destruction of property and use of a destructive device.
Investigators say Mr Rahami, who is 28, planted two bombs in Chelsea but one failed to detonate.
Another bomb exploded in a New Jersey seaside town earlier on the same day but no-one was hurt.
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