The Los Angeles Police Department is investigating a Tuesday night incident in which diners at a California restaurant were attacked as a possible Jewish hate crime.

According to a local CBS affiliate news outlet, a group of Jewish men who were dining at a restaurant in Los Angeles' Beverly Grove neighborhood when they were allegedly attacked by multiple people waving pro-Palestinian flags.

The attackers reportedly arrived at the restaurant in a car and began to yell racial slurs at the men and throw bottles at them as they exited the vehicle.

One man, who was dining with the Jewish group, but is not Jewish, told CBSLA that he is a photographer who had met the group that night to plan a wedding.

The man also said he was pepper sprayed as he attempted to defend the group and was eventually taken to the hospital following the incident, the news outlet noted.

No arrests were made and no one involved sustained major injuries, LAPD told CBSLA.

The incident comes as Israeli-Palestinian conflict continues to escalate and deadly violence in the region increases.

President Biden on Wednesday told Israeli Prime Minister Benjamin Netanyahu that he expects a "significant de-escalation" in the violence between Israel and Hamas to put the two sides "on the path to a ceasefire."

Centers for Disease Control and Prevention (CDC) Director Rochelle Walensky suggested that Covid-19 may have originated in a laboratory, acknowledging a lab leak as one among several possibilities during testimony to lawmakers.

Asked about how the Covid-19 pandemic began at a Wednesday hearing, Walensky initially said that while she lacks the data to comment, most known coronaviruses have an "animal origin." But pressed by Senator John Kennedy (R-Louisiana) on "other possibilities," the agency head accepted that the virus may have escaped from a laboratory. "Certainly a lab-based origin is one possibility".

Republicans have taken particular interest in the lab-leak hypothesis, with party members on the House Intelligence Committee releasing a report on Wednesday claiming the theory is supported by "significant circumstantial evidence." The report also argues that experts "have failed to identify the original species that allegedly spread the virus to humans, which is critical to their zoonotic transfer theory."

The lab in Wuhan - the Chinese city where Covid-19 was first detected in December 2019 - is China's sole fully operational Biosafety Level-4 facility, making it one of only a few laboratories in China equipped to study the most dangerous pathogens.

Though the World Health Organization deemed the lab theory "extremely unlikely" in a report released in March, an open letter by 18 infectious disease experts published in the journal Science last week argued that "accidental release from a lab and zoonotic spillover both remain viable [theories]."

Walensky is not the first US official - nor the first CDC director - to acknowledge the lab theory. In March, her predecessor Robert Redfield, who served under President Donald Trump, outright endorsed the idea in an interview with CNN, saying he believes it is the "most likely" explanation.

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