PeoplePetrobras to help Brazilians affected by heavy rainsBrazilian oil giant to donate money to help thousands who lost their homes and loved onesAftermath: rescuers search for victims after a wall of rock collapsed on top of motorboats below a waterfall in Brazil’s Minas Gerais state earlier this monthPhoto: FIRE BRIGADE OF MINAS GERAIS/REUTERS/SCANPIXFabio PalmigianiRio de Janeiro