A Border Patrol agent keeps watch as immigrants enter a vehicle to be transported from a makeshift camp on May 13, 2023 in San Diego, California. (Maria Tama / Getty Images via CNN)

But US authorities saw a 50% drop in the number of migrant encounters along the border over the previous two days compared to earlier in the week — before Title 42 ended. The situation at the border is “very fluid,” a senior Homeland Security official told reporters Monday.

A file photo shows a crime scene blocked off by the Chicago Police Department. (WTTW News)

Ten reputed members of the Four Corner Hustlers street gang have been arrested and charged with conspiring to sell heroin and cocaine at open-air drug markets on Chicago’s West Side following a massive undercover investigation.

Reps. Mike Quigley and Randy Hultgren

Congressmen Mike Quigley and Randy Hultgren join "Chicago Tonight" for a conversation about issues facing Congress, including national security, health care and lead levels in water. They'll also give us their thoughts on the 2016 presidential race.

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Chicago authorities are increasing security at key locations in the wake of the terrorist attacks in Brussels. Mayor Rahm Emanuel said there are “no known threats” to Chicago at this time.