One of the plane's wings sliced through the roof and facade of a house in the town of Pluvigner.
Italian speedboat race officials said the boat was being used in an attempt to set a speed record.
The two residents had been involved in long-term strife with their landlord and planned the gas explosion on their eviction day.
A deadly fire broke out at a Rio de Janeiro hospital Thursday night, forcing staff to hastily evacuate patients.
"These guys were in the worst possible conditions you could imagine a human being to be in,"