A historic amount of packages and rising employee Covid-19 rates are causing significant backlogs at US Postal Service processing facilities before Christmas.
All the shopping and shipping Americans have done in the last few weeks has inundated the system with what the USPS says is a "historic volume" of mail and packages.
"The packages are up to the ceiling" in Philadelphia, local American Postal Workers Union president Nick Casselli told CNN. "I've been in postal for 35 years, I've never seen what I'm seeing."