WESTERN Cape police on Thursday arrested a school principal and a second man after matric mathematics exam papers were allegedly stolen and sold to pupils at the Hector Peterson High School in Kraaifontein last month. The papers were reportedly sold for R150 at the school on October 31, a day before the exams started. Police said a 25-year-old man for whom a warrant of arrest was issued last Friday, handed himself over to police at Kraaifontein on Thursday. Then, at lunchtime on Thursday, A 40-year-old man from Wallacedene was arrested in Bellville at lunchtime on Thursday. The suspect was being questioned in connection with the theft and sale of the papers. The 25-year-old man who surrendered earlier to the police is to remain in police custody. The arrests came after the Western Cape education department offered a reward of up to R10000 for information leading to the arrest and conviction of the person or persons responsible for the theft.