(The Center Square) – Hundreds of voters who returned their election ballots at a Vancouver, Wash., drop box over the weekend are urged to follow up with the Clark County Elections Office, following a Monday morning fire that likely damaged or destroyed hundreds of ballots in a suspected case of arson. A drop box in Portland, Oregon, was also vandalized Monday morning. A video posted by KATU-TV in Portland showed officers pulling burning envelopes from the flaming drop box located at the Vancouver Fisher’s Landing Transit Center. “This morning at about 4:00 a.m., Vancouver Police responded to …