Pennsylvania man charged over Election Day threats to Biden and Hillary Clinton

A Pennsylvania man has been charged by the Department of Justice over online threats he allegedly made to kill Joe Biden and Hillary Clinton .

Gregory Mitzel wrote the offending posts just after the Butler, Pennsylvania assassination attempt on Donald Trump 's life.

He allegedly wrote: 'Hey Hillary, you missed the next one's coming for you and Joe.'

The next day, Mitzel continued his threats: 'Joe you are going down you and Hillary are going down. You will be in a crosshairs. Thank you.'

In another post, he warned that the 'next step in this process has to be somebody put a bullet in Joe Biden's head.'

Mitzel is also accused of threatening to kill the US attorney who was leading the investigation into his threats.

The charges against him include threatening to kill the president and threatening a federal official, according to CNN .

This is a developing story.