
Are the following mentions coreferent?:
<m> said </m> in Canadian authorities announced that two leaders of polygamous factions in Bountiful, British Columbia, have been arrested. Jim Oler, 44, and Winston Blackmore, 52, have been charged under the criminal code with practicing polygamy. Sgt. Tim Shields, a media relations officer for the RCMP said the men were arrested this morning. 
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<m> announced </m> in Tim Shields and Attorney-General Wally Oppal announced Wednesday that the RCMP arrested two Bountiful residents, Winston K. Blackmore, 52, and James Oler, 44, on charges of polygamy. 