MINNEAPOLIS — Federal officials in Minneapolis say a man suspected of planning to attack the Republican National Convention has pleaded guilty to possessing Molotov cocktails.

The U.S. attorney's office in Minneapolis says 23-year-old Matthew Bradley DePalma of Flint, Mich., entered his plea Tuesday to a charge of possession of destructive devices.

Authorities say DePalma had made at least five Molotov cocktails by the time he was arrested on Aug. 28.

He had allegedly told an FBI informant he planned to attack the convention site in St. Paul and had described a plan to use the fire bombs on police.

DePalma has not yet been sentenced. He faces a maximum of 10 years in prison.