President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE tweeted Saturday that he was following a possible hostage situation at a Trader Joe’s in Los Angeles “very closely.”

Police later took a suspect into custody, ending the standoff hours after it began.

“Active barricaded suspect. L.A.P.D. working with Federal Law Enforcement,” Trump tweeted of the situation.

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Watching Los Angeles possible hostage situation very closely. Active barricaded suspect. L.A.P.D. working with Federal Law Enforcement. — Donald J. Trump (@realDonaldTrump) July 21, 2018

CNN reported that an armed man had barricaded himself inside the grocery store and may have hostages.

The Los Angeles Police Department said they took a suspect into custody about an hour after the president's tweet.

#UPDATE: We have successfully taken the suspect into custody without incident. The situation remains fluid as officers move forward clearing the location. — LAPD HQ (@LAPDHQ) July 21, 2018

One woman was shot and killed inside the store during the standoff, according to CBS News.

The Associated Press reported that the suspect led police on a car chase after allegedly shooting his grandmother and another woman in South Los Angeles.

He then ran into the Trader Joe’s in the Silver Lake neighborhood.

There was a massive law enforcement response to the store.

Los Angeles Mayor Eric Garcetti urged residents to “steer clear” of the active situation.

Please continue to steer clear of the #TraderJoes on Hyperion in #SilverLake. The @LAPDHQ has issued a tactical alert to deploy all necessary resources to assist with this situation. This incident remains active. We will continue to provide updates. — Mayor Eric Garcetti (@MayorOfLA) July 21, 2018

— Updated 10:42 p.m.