Heavy gunfire is exchanged between police and two shooters in Jersey City, New Jersey. Six people are killed: a police officer, the shooters, and three people inside a kosher supermarket, which the shooters barricaded themselves in. Police describe the shooting as an "ambush".
Media reports indicate former United States Vice President and Senator Joe Biden has decided that next week he will announce his participation in the race for Democratic Party's nomination in the 2020 United States presidential election.
In an effort led by U.S. Senate Majority Leader Mitch McConnell, Senate Republicans vote 51-48 to approve new Senate rules to limit the in-session debate time for most of President Donald Trump's appointed political nominees to two hours instead of the previously required 30 hours. Senate Republicans invoke the so-called "nuclear option" to approve the new rules, a procedure that allows the Senate to amend rules with a simple majority of 51 votes, rather than the two-thirds supermajority normally required to do so.