Twin blasts rocks Kabul; 20 killed

Explosion rocks shrine in Kabul A blast has rocked a shrine packed with pilgrims in the Afghan capital, Kabul, with reports of heavy casualties.Police said it appeared to be the work of a suicide bomber. Another blast is reported to have hit near a mosque in the north of the country, with reports of four dead.Shia Muslims are commemorating the day of Ashura, a national holiday in Afghanistan. It is the climax of Muharram - the month of mourning for the martyrdom of the Prophet Muhammad's grandson.