Nasir Ahmad Tawhedi, a resident of Oklahoma City, was charged with conspiring to carry out a terrorist attack on behalf of ISIS on Election Day, according to federal prosecutors.

Afghanistan citizen and Oklahoma resident Nasir Ahmad Tawhedi planned to use semi-automatic firearms to commit a "violent terrorist act" on election day, the Department of Justice said Tuesday.

WASHINGTON (AP) — The FBI has arrested an Afghan man who officials say was inspired by the Islamic State militant organization and was plotting an Election Day attack targeting large crowds in the U.S., the Justice Department said Tuesday.

Nasir Ahmad Tawhedi is accused of working with his brother-in-law, a minor, to target large gatherings in the United States on Nov. 5 in the name of ISIS.

An Afghan national living in Oklahoma City was charged with conspiring to conduct a terrorist attack on Election Day in the U.S. on behalf of ISIS.

The plot allegedly targeted large crowds in the U.S., the Justice Department says, as law-enforcement agencies fear lone-wolf attacks.

It is not clear where the man intended to stage the attack, though the criminal complaint said he sought to inflict mass casualties on behalf of the Islamic State.

This defendant, motivated by ISIS, allegedly conspired to commit a violent attack, on Election Day, here on our homeland," said FBI Director Christopher Wray in a statement on Tuesday. The FBI said he was attempting stockpile firearms,