That morning, the King County Sheriff's Office and Seattle Police Department fired pepper spray, tear gas canisters, and stun grenades at protesters at several intersections in an attempt to reopen the blocked streets and allow as many WTO delegates as possible through the blockade.Draft King Country Sheriff's Office Final Report, II.H.2.WTO Accountability Review Committee, "Combined Timeline of Events During the WTO Ministerial, 1999", Tuesday, Nov. 30: 9:09 am & 10 am.A recording of the Seattle Police Department radio channel command-5 is also available, but has a gap from 0836 to 0840.Highleyman, Liz, "Scenes from the Battle of Seattle".St. Clair, Jeffrey, "Seattle Diary".Gillham, Patrick F., and Marx, Gary T., "Complexity and Irony in Policing: The World Trade Organization in Seattle".de Armond, Paul, "Netwar in the Emerald City: WTO Protest Strategy and Tactics", pp. 216–217.</ref> At 6th Avenue and Union Street, the crowd threw objects back at the police.