Mexican police say they have arrested the fugitive mayor of Iguala and his wife, wanted in connection with the disappearance of 43 student teachers.<br /><br />The couple went on the run the day after the students disappeared on September 26 following protests in the town, and a warrant was issued for their arrest.<br /><br />Jose Luis Abarca and his wife Maria de los Angeles Pineda were the most wanted couple in Mexico. <br /><br />Iguala police said they had been told to stop the students from interrupting a speech by Ms Pineda.<br /><br />Forensic teams are still working to identify bodies found in mass graves near to the last known location of the students.<br /><br />Officials hope the couple can shed light on their whereabouts.