(CBS) – A U.S. postal worker was being hailed as a hero after coming to the rescue of a UPS driver during a pit bull attack Friday.

It happened around 10 a.m. on North Cicero Avenue in the Cragin neighborhood, CBS 2’s Audrina Bigos reports.

Witnesses say they don’t think the dog-attack victim would be alive if it weren’t for the postal worker’s actions. Read more