Italian Interior Minister Matteo Salvini announced on Saturday that Italian police would be sent to patrol the border with France to prevent the entry of migrants, which France wants to expel.
"This new transgression of the French authorities will have repercussions: periodic vehicles have been sent to Clavier to guard the border," Salveni wrote on social networking sites.
His announcement coincided with photographs of Italian police officers guarding the same place as a French police car, in which three migrants were killed on Friday morning.
Salfini (right-wing extremist) broadcast on Friday evening a video of a lady from the town of Clavier, showing a French police car, bringing down the three migrants on the Italian side of the border, and then back towards the French side.
"Unless you provide quick, complete and convincing explanations, we are facing provocation and hostile action," Salvini commented on the tape.
On Friday evening, the French administration in the area of the town of Clavier said in a statement that what happened was only "a procedure on the border, consistent with what is usually between the French and Italian police and is consistent with European law."
The French administration announced that the three persons had been refused entry because they did not have the necessary papers at the Mengnev crossing and that the nearest Italian police department in Bardonecia had been informed.
Salveni said Italian police had already informed him on Friday morning, but 20 minutes after filming the video.
"There is no written and formal Franco-Italian bilateral agreement to allow such operations, and if (French President Emmanuel) Macaron speaks of a normal procedure, then the government that was before us is responsible," he said.
"Things have changed and we will not agree today to take foreigners arrested in French territory to Italy without the Italian police being able to verify their identity papers."
The French authorities take hundreds of asylum seekers annually to the border with Italy, based on the Dublin agreements, where asylum seekers must apply in the first European country to enter.
Relations between Rome and Paris have been strained over the last few months, because Italy accuses its European partners, especially France, of leaving it alone to face the refugee crisis. Since 2013, it has received some 700,000 refugees.
