Abductions ceased temporarily with the resumption of negotiations in May 2008 but resumed again in November, after a number of Palipehutu-FNL members were arrested for participating in unauthorized protests on October 27. On November 13, 2008, combatants based at Kibuye colline, a pre-assembly site[156] in Rugazi commune, Bubanza province, abducted a health center manager.[157] He was held until December 26 when he was freed in exchange for two FNL members held in Bubanza prison. Senior FNL officials in Bujumbura said they were unaware of the hostage-taking for weeks.[158]