About 155,000 people were displaced by floods and mudslides after persistent rainfall between November 2016 and April 2017 across many departments. Piura is the worst affected department (OCHA, 5 April 2017; UNDAC, 4 April 2017). Other affected departments areAncash, Arequipa, Cajamarca, Huancavelica, Ica, La Libertad, Lambayeque, Lima, Loreto and Tumbes departments (Map Action, 5 April 2017). Although most IDPs are staying with host families, about 22,000 people are in 135 official temporary shelters, mostly in La Libertad, Lambayeque, Lima and Piura departments (OCHA, 5 April 2017; UNDAC, 4 April 2017). More than 34,000 houses across the country were destroyed or left inhabitable (Map Action, 5 April 2017; UNDAC, 4 April 2017). Preliminary assessments show 59 per cent of IDPs face food insecurity and nine per cent face severe food insecurity (OCHA, 5 April 2017).