French police arrest four people in connection with last Friday's bombing in Lyon's historic city center that injured 13 people. Anti-terrorist prosecutors are leading the investigation. District mayor Denis Broliquier said the bomb was a relatively weak explosive that was too small to kill. No one has claimed responsibility for the attack. (BBC News)
Over Sunday and Monday, 55 people die of asphyxiation in various prisons across the Brazilian city of Manaus. (BBC News)
Multiple destructive tornadoes strike Dayton, Ohio, and surrounding communities. There was at least one known fatality in Celina. Multiple homes and businesses were destroyed, with reports of numerous power outages and a boil and water conservation advisory issued for Dayton. (Accuweather)
Brazil prison officials report at least 42 prisoners are found strangled to death in four separate jails in the state of Amazonas. Yesterday, 15 prisoners were killed in a fight between rival prison gangs at a facility near the Amazonas capital Manaus. (Reuters)(Firstpost)