The protesters set up tents in a “liberated zone” on the Redmond campus and toted signs that urged co-workers to “Join the worker intifada: no labor for genocide.”

Microsoft Corp. activist employees and supporters were arrested after returning to the company’s headquarters for a second day to demand that the software maker sever business ties with the Israeli military.

Protesters set up a “Liberated Zone” at Microsoft’s Redmond headquarters, escalating pressure on the company to end contracts with Israel.