PHOENIX (AP) -- Tens of thousands of votes cast in southern Arizona's 2nd Congressional District race between Democratic incumbent Ron Barber and Republican challenger Martha McSally are being recounted.
Pima County on Monday is resuming counting that began Thursday, continued Friday and broke for the weekend. A recount of also is being conducted of 37,000 votes in Cochise County.
All 250,000 Pima County ballots are being run through tabulation machines but only about 187,000 are from the 2nd District.
After the ballots are recounted, hand count of samples from each county will be done to verify accuracy of machine counts.
Before the recount, McSally was leading Barber by 161 votes out of nearly 220,000 cast in the district.
The recount was ordered because McSally's margin fell under a margin set in state law.