Borders within Europe's Schengen area are meant to be open but several countries have checks in place but are they legal and will they be forced to scrap them? Claudia Delpero explains the history and what's at stake.
Sweden has been harshly criticized over its border controls in a forthcoming Schengen report which has prompted Swedish police to draw up a plan of action.
Controls at the southern borders of Sweden introduced during the height of the refugee crisis are likely to be extended yet again, over a year after the temporary measures were first introduced.
EU countries including Sweden should be granted permission to extend temporary border controls by a period of a further three months, the European Commission has decided.
Sweden could be allowed to keep ID controls on its border with Denmark beyond the current end date of November, following discussions among EU leaders in Brussels last night.
The Danish company which operates the car ferries between Sweden and Denmark has reported the Swedish government to the European Commission for forcing it to carry out ID checks on passengers.
A controversial programme to relocate 40,000 refugees within the EU from overstretched frontline states is set to formally start on Friday when a group of Eritreans will travel to Sweden from Italy.
Norwegian Prime Minister Erna Solberg said on Saturday she feared for Europe’s borderless Schengen zone and urged countries to shore up their external frontiers in the face of the migrant crisis.
The European Commission on Monday warned Denmark that it has failed to justify a controversial decision to increase controls at its borders with Sweden and Germany.
A mission of European officials visiting Denmark's controversial border controls on Thursday found no sign of the customs officers deployed earlier this month, the Danish Ritzau news agency reported.
Denmark on Tuesday deployed 50 new customs officers at its borders with Germany and Sweden as part of a widely-criticised government plan to reintroduce permanent controls at border crossings.
Widespread objections to Denmark's plan to reintroduce permanent customs checks at its borders are based on a misunderstanding, Danish Foreign Minister Lene Espersen insisted Friday.
Swedish EU commissioner Cecilia Malmström has opened up to calls for simplifying the establishment of border controls between EU countries following the recent French-Italian conflict over Tunisian refugees.
A Turkish citizen arrested at Stockholm's Arlanda Airport on Friday on terror charges is thought to be a member of the Kurdistan Workers' Party (PKK), Belgian prosecutors said on Monday.
Border police at Arlanda airport arrested a Turkish man wanted by Belgian police on suspicion of "terror crimes" on Friday and is holding him pending a decision on whether to extradite him, Swedish security police said on Sunday.