(AGI) Washington, Sept 23 - The air strikes by the U.S. andfour Arab countries on Islamic State jihadists in Syriaovernight on Monday had 20 initial targets, reported Pentagonsources and the Syrian Observatory for Human Rights. Theseincluded weapons arsenals, buildings in Raqqa used by Isis,checkpoints in the city and surrounding areas out as far asareas near the border with Iraq. Jordan, Saudi Arabia, UnitedArab Emirates and Bahrain are directly involved with Qatarproviding indirect support with the largest overseas U.S. airbase, at Al Udeid just outside Doha. (AGI) . .