Police arrested three people in Givat Shmuel on Friday after they were found with posters and fliers denouncing the head of Central Command, Maj.-Gen. Yair Naveh.
The suspects, who were in their twenties and were from Alon Moreh, Efrat, and Bnei Barak, were later conditionally released.
Police also arrested two men during a demonstration of about 50 people by Naveh's house, although the protest otherwise ended peacefully during the afternoon.
Meanwhile, graffiti saying "Death to Olmert" and "Death to the expulsion police" was found on Friday on the wall of a shop in the industrial park in Kiryat Malahi.
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