REDMOND, Wash. (AP) -- Worker-led protests erupted at Microsoft headquarters this week as the tech company promises an "urgent" review of the Israeli military's use of its technology during the ongoing war in Gaza.

A second day of protests at the Microsoft campus on Wednesday called for the tech giant to immediately cut its business ties with Israel. A spokesperson for the Redmond Police Department confirmed that several protesters have been arrested.

Microsoft late last week said it was tapping a law firm to investigate allegations reported by British newspaper The Guardian that the Israeli Defense Forces used Microsoft's Azure cloud computing platform to store phone call data obtained through the mass surveillance of Palestinians in Gaza and the West Bank.

"Microsoft's standard terms of service prohibit this type of usage," the company said in a statement posted Friday, adding that the report raises "precise allegations that merit a full and urgent review."

The company said it will share the findings after law firm Covington & Burling completes its review.

The promised review was insufficient for the employee-led No Azure for Apartheid group, which for months has protested Microsoft's supplying the Israeli military with technology used for its war against Hamas in Gaza.

In February, The Associated Press revealed previously unreported details about the American tech giant's close partnership with the Israeli Ministry of Defense, with military use of commercial AI products skyrocketing by nearly 200 times after the deadly Oct. 7, 2023, Hamas attack. The AP reported that the Israeli military uses Azure to transcribe, translate and process intelligence gathered through mass surveillance, which can then be cross-checked with Israel's in-house AI-enabled targeting systems.

Following The AP's report, Microsoft acknowledged the military applications but said a review it commissioned found no evidence that its Azure platform and artificial intelligence technologies were used to target or harm people in Gaza. Microsoft did not share a copy of that review or say who conducted it.

Microsoft in May fired an employee who interrupted a speech by CEO Satya Nadella to protest the contracts, and in April, fired two others who interrupted the company's 50th anniversary celebration.