sentences:  In October 2003 The first Jaish al-Mahdi (JAM)units in Basra were established, and soon began low-level attacks against British troops and intimidated civilians working for the occupation forces.Itself victimised by bombings, the Red Cross withdrew from Basra in October 2003—exacerbating ongoing health issues.On 2 September 2007, the 550 remaining British soldiers in Basra finally withdrew, without fanfare and by night to limit the risk of ambush.