Jordanian armed forces are on high alert along the border with Iraq.<br /><br />They've been watching the violent developments closely, and stepped their military presence as Sunni rebels claim more towns in neighbouring Anbar province.<br /> <br />Al Jazeera's Caroline Malone reports from Amman, Jordan.<br /><br />Subscribe to our channel http://bit.ly/AJSubscribe<br />Follow us on Twitter https://twitter.com/AJEnglish<br />Find us on Facebook https://www.facebook.com/aljazeera<br />Check our website http://www.aljazeera.com/