Washington, May 25: President Joe Biden delivered an emotional call for new restrictions on firearms after a gunman opened fire at a Texas elementary school on Tuesday. “When in God's name are we going to stand up to the gun lobby?” Biden said at the White House shortly after returning from a five-day trip to Asia that was bookended by tragedy.

With first lady Jill Biden standing by his side in the Roosevelt Room, Biden added, “I am sick and tired. We have to act.” At least 18 students were killed, according to a state senator who said he was briefed by law enforcement, in addition to a teacher.

Just two days before Biden left on his trip, he met with victims' families after a hate-motivated shooter killed 10 Black people at a grocery store in Buffalo, New York. The back-to-back tragedies served as sobering reminders of the frequency and brutality of an American epidemic of mass gun violence.

“These kinds of mass shootings rarely happen anywhere else in the world," Biden said. "Why?” He directed that American flags be flown at half-staff through sunset Saturday in honor of the victims in Texas. Texas School Shooting: 18 Students Among 21 Shot Dead at Robb Elementary School in Uvalde; Teen Gunman Dead.

Vice President Kamala Harris said earlier that people normally declare in moments like this, “our hearts break — but our hearts keep getting broken ... and our broken hearts are nothing compared to the broken hearts of those families.”

“We have to have the courage to take action ... to ensure something like this never happens again,” she said. White House press secretary Karine Jean-Pierre said Biden was briefed on the shooting by deputy chief of staff Jen O'Malley-Dillon and other members of his senior team aboard Air Force One.

Shortly before landing in Washington, Biden spoke with Texas Gov. Greg Abbott from the presidential plane “to offer any and all assistance he needs in the wake of the horrific shooting in Uvalde, TX,” White House communications director Kate Bedingfield tweeted.

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