Fires broke out at two synagogues in the East Jerusalem Jewish neighborhood of Pisgat Zeev Saturday, in what police suspect to be deliberate arson attacks.
Palestinians from the neighboring refugee camp of Shuafat hurled rocks and other objects at firefighter teams that attempted to extinguish the blazes, according to the Ynet news site.
No injuries were reported.
Earlier Saturday, a molotov cocktail was hurled at Jewish residents in the East Jerusalem neighborhood of Ras el-Amoud.
Security forces who chased after the attackers were assaulted with rocks. Security forces responded with riot dispersal means, but no arrests were made.
Later, Jewish teenagers hurled rocks at Palestinians in the same area, according to Israel Radio.