Chicago police issue alert after mail stolen from 3 US Postal Service trucks in Portage Park, Jefferson Park, South Austin [Video]

CHICAGO (WLS) — Local and federal investigations are underway Tuesday after mail was stolen from three U.S. Postal trucks on Monday.

Chicago police issued a community alert describing the mail thefts happening in the Portage Park neighborhood’s 4300-block of North Milwaukee Avenue between 4:05 and 4:20 p.m., then in the Jefferson Park neighborhood’s 6300-block of West Strong Street at 4:21 p.m. and in the South Austin neighborhood’s 900-block of South Mayfield Avenue at 5:45 p.m.

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The U.S. Postal Inspection Service calls these crimes of opportunity as the carriers were out of their vehicles delivering mail at the time.

“Enough is enough. Something has to be done,” said National Association of Letter Carriers Branch 11 President Elise Foster.

Foster said although carriers were not approached in Monday’s incidents, a carrier was robbed at gunpoint on North Lockwood on the previous Monday.

“When she got …