The lawyer for a man arrested in Michigan in connection with what the FBI described as a thwarted Halloween terror plot says there is “no evidence” to back up the claim.

Three senior law enforcement officials briefed on the investigation said federal agents took five people from Dearborn and Inkster, Michigan, into custody Friday as part of a investigation into a plot to attack the U.S. around Halloween that was tied to Islamic State group extremism.

Two senior law enforcement sources briefed on the investigation said some of the suspects are naturalized citizens born in the Middle East who had access to firearms and firearm training.

Lawyer Amir Makled declined to name his client, who he said had not been charged, but described him as a 20-year-old, U.S.-born member of a group "with

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