<p>At least two people were killed and dozens more are missing after a landslide ravaged a section of highway in southern Brazil, sweeping some 20 cars and trucks along with it, authorities said Wednesday.</p>.<p>The torrent of mud came rushing down a steep hillside Monday after days of heavy rain in the state of Parana, hitting highway BR 367, officials said.</p>.<p>"It's hard to know the exact number of victims. A vehicle could have one to five people inside. We're working with an estimate of 30 to 50 people missing," local emergency response chief Manoel Vasco told a news conference.</p>.<p>Aerial images released by the emergency services showed a massive splotch of brown mud that swept away everything in its path -- including a large chunk of highway and the vehicles on it.</p>.<p>Rescue workers said the bad weather and remote location were complicating the search effort.</p>.<p>They are using drones with heat-detecting cameras in hopes of finding survivors.</p>.<p>Two bodies have been found so far, and six survivors have been located, including the mayor of the coastal town of Guaratuba, the nearest city.</p>.<p>"It was horrible. The mountain just fell on top of us. It swept away every last car. We're only alive by the grace of God," the mayor, Roberto Justus, said in a video posted on social media.</p>.<p>Brazil is frequently hit by deadly landslides.</p>.<p>In February, more than 200 people were killed in a series of landslides in the picturesque southeastern tourist town of Petropolis.</p>
<p>At least two people were killed and dozens more are missing after a landslide ravaged a section of highway in southern Brazil, sweeping some 20 cars and trucks along with it, authorities said Wednesday.</p>.<p>The torrent of mud came rushing down a steep hillside Monday after days of heavy rain in the state of Parana, hitting highway BR 367, officials said.</p>.<p>"It's hard to know the exact number of victims. A vehicle could have one to five people inside. We're working with an estimate of 30 to 50 people missing," local emergency response chief Manoel Vasco told a news conference.</p>.<p>Aerial images released by the emergency services showed a massive splotch of brown mud that swept away everything in its path -- including a large chunk of highway and the vehicles on it.</p>.<p>Rescue workers said the bad weather and remote location were complicating the search effort.</p>.<p>They are using drones with heat-detecting cameras in hopes of finding survivors.</p>.<p>Two bodies have been found so far, and six survivors have been located, including the mayor of the coastal town of Guaratuba, the nearest city.</p>.<p>"It was horrible. The mountain just fell on top of us. It swept away every last car. We're only alive by the grace of God," the mayor, Roberto Justus, said in a video posted on social media.</p>.<p>Brazil is frequently hit by deadly landslides.</p>.<p>In February, more than 200 people were killed in a series of landslides in the picturesque southeastern tourist town of Petropolis.</p>