Fires and riots in Baltimore on Monday reminded some of the another major civil disturbance the city once faced.

“We cannot let this be a repeat of 1968,” Brandon Scott, Baltimore city councilman in the third district, said on Monday. “The neighborhood they’re in right now is still burned down from 1968.”

Scott was not alone. Council President Bernard C. “Jack” Young also said that Monday’s events reminded him of the two weeks that followed the assassination of Martin Luther King Jr., when Baltimore and cities across the country burned.

“Many of the areas where we’re seeing disturbances today actually never recovered from the 1968 riots,” Lawrence Brown, an assistant professor at Morgan State University in Baltimore who studies housing, told the Los Angeles Times.

Baltimore was hit hard in 1968: Six killed, 700 injured, 1,000 small businesses looted or burned and 5,800 people arrested. Here’s a look back: