Boycotts of Israeli universities, largely imposed in Europe, have multiplied since the start of the war and reflect Israel’s international isolation over its conduct in Gaza.

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The predawn blast at a Harvard lab caused minor damage and led to the arrest of Logan David Patterson, 18, and Dominick Frank Cardoza, 20.

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There was no structural damage to the building, they said, as investigators pursued two suspects.

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Two people were seen running from the building afterward, the school said. No injuries were reported, the school police said.

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