FOX NEWS — One man was arrested Tuesday after leaving a backpack near the Boston Marathon finish line on the one-year anniversary of a deadly bombing of the famous road race.

Boston Police issued an all-clear for an area of Boylston Street near the finish line shortly after 10:30 p.m. Tuesday after two backpacks were detonated by a bomb squad as a precautionary measure. MyFoxBoston.com reported that police found a rice cooker in one of the bags, but did not elaborate on the contents of the second bag. It was not clear who the second bag belonged to, nor was it clear how it was discovered.

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Boston police did not identify the man in custody, but a spokesman said the suspect appeared to be “not of sound mind.” Authorities said he would be charged with disorderly conduct, disturbing the peace and possession of a hoax device.