John Kerry, the US secretary of state, is in Afghanistan to help resolve the disputed presidential election. He has described the situation as a "critical moment for Afghanistan". Early results show Ashraf Ghani, a former finance minister, in the lead, but his opponent Abdullah Abdullah, a former foreign minister, says the vote was rigged. Al Jazeera's Jennifer Glasse reports from Kabul.<br /><br />Subscribe to our channel http://bit.ly/AJSubscribe<br /><br />Follow us on Twitter https://twitter.com/AJEnglish<br /><br />Find us on Facebook https://www.facebook.com/aljazeera<br /><br />Check our website http://www.aljazeera.com
