By Tim WillertStaff writertwillert@oklahoman.comNORMAN — Unite Norman, citing "extraordinary circumstances present in the course of signature collection, including criminal fraud," asked the city Wednesday to extend the deadline for filing signatures in support of recall petitions for Mayor Breea Clark and three city council members. The signatures for Clark, Kate Bierman (Ward 1), Alsion Petrone (Ward 3) and Stephen Holman(Ward 7) are due Friday.Read more on NewsOK.com