(Muslim Press) - Clashes have erupted at the al - Aqsa mosque in East Jerusalem just hours before the start of the Jewish New Year after Israeli police entered the compound, witnesses say.Dozens of Israeli soldiers and police officers broke into the courtyards of the Al - Aqsa Mosque in the occupied Jerusalem and fired grenades on Palestinian worshipers, Israel ' s Ynet news reports. " Israeli soldiers along with undercover officers invaded Al - Qibli Mosque, and fired dozens of concussion grenades at the Palestinian worshipers, wounding at least two, " eyewitnesses said. The incident caused tension in Al - Aqsa, one of Islam ' s holiest sites, that eventually escalated after the army entered the mosque. Footage of this attack have been circulating on social media.(Watch the footage here) The tension increased just a few hours before the start of the Jewish New Year, Rosh Hashanah, which starts at sunset on Sunday and continues until Tuesday evening.Recommended:Palestinians urge EU to ban Israeli settlement products[Video]