Bicycle bomb kills 10 in northern Afghanistan (AP)

Brig.-Gen Dean Milner, Commander of Canadian forces in Afghanistan, holds a briefing Friday, June 24, 2011 at Forward Operating Base Sperwan Ghar in the Panjwaii district of Kandahar province, Afghanistan. Canada will turn control of the southern region over to the Americans as a full withdrawal of Canadian troops is planned by next month. Canada will transition to a non-combat training role with up to 950 soldiers and support staff to train Afghan soldiers and cops in areas of the north, west and Kabul. (AP Photo/David Goldman)AP - Afghan authorities say that a bicycle rigged with explosives has blown up in a bazaar in northern Afghanistan, killing at least 10 people, including a police officer.