Google said it had terminated 28 employees after some staff participated in protests against the company’s cloud contract with the Israeli government, Reuters reports.

The Alphabet unit said a small number of protesting employees entered and disrupted work at a few unspecified office locations.

“Physically impeding other employees’ work and preventing them from accessing our facilities is a clear violation of our policies, and completely unacceptable behavior,” the company said in a statement.

Google said it had concluded individual investigations, resulting in the termination of 28 employees, and would continue to investigate and take action as needed.

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