为给定的新闻标题写一篇新闻报道。
巴西里约热内卢发生了大规模的洪水和山体滑坡
Rio de Janeiro, Brazil - Massive floods and landslides have struck the city, causing widespread damage and loss of life. The torrential rains have caused rivers to burst their banks, leaving residents stranded and without access to essential services such as electricity and clean water. Emergency teams are working around the clock to evacuate those affected and provide aid, but the extent of the devastation is still unclear. Authorities are urging residents to stay alert and take necessary precautions to stay safe during this difficult time. The Brazilian government has pledged to provide assistance to those affected by the disaster.