By James Mackenzie and Nidal al-Mughrabi JERUSALEM/GAZA (Reuters) – The Palestinian Islamic Jihad movement in Gaza claimed responsibility on Friday for rockets fired on Israel overnight amid international efforts to defuse tensions following one of the deadliest raids in the occupied West Bank in years. Israeli jets struck Gaza on Friday in retaliation for the rockets, which had set off alarms in Israeli communities near the border with the blockaded southern coastal strip that is controlled by Islamist movement Hamas. There were no reports of casualties on either side and there was no immedia…