Three residents of a northeastern Pennsylvania county are suing to overturn a local official’s announcement she will prevent all four of its drop boxes for mail-in ballots from being deployed.

The Pennsylvania Department of State warned voters that due to the humidity, some mail-in ballot return envelopes might be sealed.

Encouraging voters to cast mail ballots — and cast them early — benefits political campaigns. But former President Donald J. Trump’s skepticism has hurt Republican efforts in a key state.

The Pennsylvania Department of State warned today that humidity may be affecting mail-in ballot envelopes. According to the PA Department of State, because of the humidity levels across the Commonwealth,