A woman was killed and 20 people were injured after a coach travelling from the German capital Berlin to Trieste in Italy came off the road in Austria.
The EU Commission has told Germany to lift its tight border restrictions for Tyrol, the Czech Republic and Slovakia, stressing that they are too "restrictive".
A debate over tightening border controls in Germany has been sparked as countries, including Austria and the Czech Republic, battle with increasing coronavirus infections.
Austria has withdrawn a general travel warning for Germany's most populous state issued after a massive coronavirus outbreak at a meat processing plant.
It is one of the most famous mountains in the Allgäu Alps - and it could soon be history. According to experts, the summit of the Hochvogel will soon collapse, and up to 260,000 cubic metres of rock could fall into the valley.
The Austrian and German federal police and the Bavarian state police plan for the first time this Friday to work together in their border area to assess ways they can combat increasing illegal immigration and crime. The authorities will start by taking a closer look at rail traffic.
A survival story worthy of a Hollywood drama took place in the Austrian Alps this week when a German mountain climber was rescued after five days trapped in a 30-metre deep rock fissure.
German Interior Minister Thomas de Maizière announced on Thursday that Berlin would be extending border controls for a further six months, meaning checks will stay in place in the Alpine region.
