2 killed in Minnesota in E. coli outbreak linked to romaine lettuce

Romaine lettuce on sale at the Lunds and Byerlys in downtown St. Paul.
A sign at the Lunds and Byerlys in downtown St. Paul on May 9, 2018, cautions people not to eat previously purchased romaine lettuce if they don't know what state it came from.
Regina McCombs | MPR News file