These migrants reach Switzerland from Italy. The Italian government estimates that 250,000 migrants will arrive at the Italian coast this year, most of whom are from African countries such as Guinea, Nigeria and the Ivory Coast. Over 95 percent of the arrivals set off from the coast of Libya.
Sources in the interior ministry told German newspaper Welt am Sonntag that in January and February, the authorities detected 1,350 illegal border crossings from Switzerland, a sharp rise in comparison with the 402 detected in the first two months of 2016.
The Italian border with Switzerland is less secure than its borders with Austria and France and since last summer migrants have intensified their efforts to cross it.
The southwest German state of Baden-Wuerttemberg, which borders with Switzerland, has been most affected by the surge in migration.
"We still have this border under control, but if the situation gets worse on the Italian-Swiss border and consequently on the Swiss-German border, then we will act," Strobl said.
"We will do what is necessary should the situation arise – we have already strengthened our state police," he added.
Following the arrival of 890,000 asylum seekers to Germany in 2015, the German Interior Ministry recorded the arrival of 280,000 refugees in 2016. The fall in the number of arrivals has been attributed to the EU's migrant deal with Turkey and the closure of the Balkan migration route in March 2016.
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