For the next year, the RPF waged a classic hit-and-run guerrilla war, capturing some border areas but not making significant gains against the Rwandan army. These actions caused an exodus of around 300,000 Hutu from the affected areas. Prunier wrote in 1995 that the RPF were surprised that Hutu peasants "showed no enthusiasm for being 'liberated' by them". In her 2018 book "In Praise of Blood", however, Canadian journalist Judi Rever quoted witnesses who said that the exodus was forced by RPF attacks on the villages including the laying of landmines and shooting of children. Caplan's paper questions the credibility of many of the witnesses Rever had spoken to, but noted that "there are considerable other sources besides Rever that attest to RPF war crimes". Following the June 1992 formation of a multi-party coalition government in Kigali, Kagame announced a ceasefire and initiated negotiations with the Rwandan government in Arusha, Tanzania. In early-1993, groups of extremist Hutu formed and began campaigns of large-scale violence against the Tutsi. Kagame responded by suspending peace talks temporarily and launching a major attack, gaining a large swathe of land across the north of the country.