Shai Davidai, an Israeli assistant professor at Columbia University’s business school and outspoken pro-Israel activist, said he has been barred from the school’s campus

Columbia University has temporarily banned pro-Israel professor Shai Davidai from campus for “repeatedly harassing and intimidating” school employees, according to a university spokesperson.

The university said Shai Davidai had repeatedly harassed and intimidated employees. He said the university had not done enough to crack down on pro-Palestinian protests.