Police said they could not guarantee the usual level of security at the two shows because officers were dealing with the "unruly" protest.
With protests taxing local crowd security, the event was in competition for personnel to ensure the smooth handling of tens of thousands of concertgoers.
As a result, U2 said, "We can not in good conscience risk our fans' safety by proceeding with tonight's concert". "As much as we regret having to cancel, we feel it is the only acceptable course of action in the current environment", read the statement.
Ticket-holders were told they will be able to receive a refund for the pulled event.
Fed. Judge Calls for Extension of DACA Deadlines as Lawmakers Seek Solution
SIMON: I'll be this blunt - do you trust President Trump on this? She now lives in NY and is a co-founder of Black Lives Matter. And when it was announced on September 5 that President Donald Trump will phase out the DACA program, Cortez rushed to renew.
Ed Sheeran joined U.S.in canceling his St. Louis show, which had been sold out since March.
Hundreds of demonstrators forced the closure Saturday afternoon of a mall in St. Louis.
U2 and Ed Sheeran have both cancelled concerts in St Louis, Missouri, citing security concerns with protests in the city.
Ten officers were injured in the standoff with rock-throwing protesters, according to St. Louis police who made at least 23 arrests.
Chelsea v Arsenal predictions: Premier League preview, line-ups & betting tips
Deadline day arrival Danny Drinkwater is struggling with an injury and is not expected to make the squad. It gave us a little bit of a problem of confidence away from home, but I don't really believe in that.
Protestors were demonstrating against the aquittal of Jason Stockley, a white former St Louis police officer who shot dead local black man, Anthony Lamar Smith in December 2011.
U2's Saturday night concert at St. Louis' Dome at America's Center has been canceled due to the protests now taking place in the city following the acquittal of a police officer who shot and killed a black driver. Refunds for non-internet purchases will be available starting at 10 a.m. Monday at at point of purchase.
The Bono-fronted band were due to perform at The Dome stadium in the city as part of their The Joshua Tree Tour 2017. Comedian Mike Birbiglia cancelled his show at The Pageant. "While we regret to have had to come to this decision, we do look forward to returning to St. Louis as soon as Ed's schedule will allow in 2018", Messina Touring Group said in an email.
Texas loses to USC, 27-24, in double overtime
However, this defense has been vulnerable against the run, has just two sacks and has allowed five plays of 40 yards or more. Neither team did much offensively, with the Wildcats accounting for 277 yards of offense to the Commodores' 270.