KABUL, 06 Dhu-AlHijjah,1437 AH, 08 September,2016 , SPA - - An explosion went off in the Afghan capital, Kabul, on Thursday,Reuters reported. The blast, which came at a time of heightened concern over tensions between ethnic groups in Afghanistan, was attributed to a small bomb attached to a bicycle, Kabul police chief Abdul Rahman Rahimi said. He said there were no casualties, but some media reported two people were wounded. -- SPA 10:20 LOCAL TIME 07:20 GMT www.spa.gov.sa/w