<sod >A suicide bomber has killed at least 26 people in the Afghan capitalÃÂÃÂ Kabul,ÃÂÃÂ according to officials.< eod>< sod > A suicide bomber has struck inÃÂÃÂ Kabul, killing dozens of people as they celebrated the start of the PersianÃÂÃÂ new year.< eod>