Dem mayor fed up with homeless crisis proposes jailing vagrants who refuse housing / Tauranga hosts summit on homelessness solutions and community impact / Homelessness crisis will get worse, advocates say, amid changes at Kelowna's tent city / The invisible homeless crisis that official statistics miss / Homeless crisis hits Mallorca's hotspots as spate of thefts reported at Palma airport ahead of Spain's tourist season / Home Office asylum seeker blunder causes homelessness chaos for councils / Bank urges households to contact homelessness charity as scale of crisis revealed / Workers helping the homeless in Montreal feel powerless as crisis deepens