Abdelhamid Abaaoud, the suspected mastermind of the Paris attacks, in a video released by the jihadist media arm Al-Hayat Media Centre on Sunday: some 30 Europol experts are working to support the Franco-Belgian investigation into the Paris attack. Photograph: Al-Hayat Media Centre/AFP

Islamic State and other militants are very likely to attempt major new attacks in Europe following those in Paris, the EU’s police agency said on Mond(...)

The main hall in Davos. The great and good of the financial world are gathering in the Swiss resort of Davos for the annual World Economic Forum. Photograph: Jason Alden/Bloomberg

The great and good of the financial world are gathering in the Swiss resort of Davos for the annual World Economic Forum. Here are five of the top t(...)

Danish prime minister Lars Lokke Rasmussen leaves the voting booth at Nyboder school in Copenhagen. Photograph: Nils Meilvang/AFP/Getty Images

Denmark has rejected a referendum that would have seen the country opt in to EU justice and home affairs legislation, in a vote that has been widely p(...)

 Copenhagen celebrates the rejection of the euro: Eurosceptic parties have framed the referendum as a question of surrendering more control over national affairs to Brussels. Photograph: Thomas Sjoerup/AFP/Getty

While the EU awaits a date for the United Kingdoms’s much-anticipated vote on membership, a referendum is taking place today that could serve as a bar(...)

 Ireland is not part of the Schengen arrangements on travel and visas, but  it and the UK have applied to take part  in  police and criminal judicial co-operation measures. File photograph: Alan Betson/The Irish Times

Ireland’s passport control system is to be updated in the coming years to connect with a European Union database that provides warnings about s(...)

European Commission’s President Jean-Claude Juncker attends a debate on terrorist attacks in Paris and subsequent police and military operations at the European Parliament in Strasbourg,. Photograph: Frederick Florin/AFP

European Commission president Jean-Claude Juncker has said the “spirit of Schengen” must be safeguarded as he warned against equating terrorists with (...)

France’s justice minister Christiane Taubira and interior minister Bernard Cazeneuve, Luxembourg’s vice prime minister Etienne Schneider and justice minister Felix Braz, give a press conference at the end of the EU justice ministers meeting in Brussels. Photograph: Olivier Hoslet/EPA

EU justice ministers meeting in Brussels have agreed a suite of measures to step up security in the wake of the Paris attacks, although they have st(...)

A sniper and an observer of Belgian police special forces are seen on a balcony of a building on Brussels Grand Place after security was tightened in Belgium following the fatal attacks in Paris. Photograph: Yves Herman/Reuters

EU countries have agreed plans for an airline passenger name registry, a clampdown on arms trafficking and tougher controls at external borders, Frenc(...)

Prime minister Charles Michel in Belgium’s parliament announcing security measures after the recent deadly Paris attacks. Photograph: Yves Herman/Reuters

in Brussels Belgian prime minister Charles Michel defended his country’s intelligence services and vowed to introduce a string of new security measu(...)

Judgments: Key cases in brief

Environmental impact assessment required on effects of extracting peat as a fuel source for thermal power plant An Taisce v An Bord Pleanála [2015]IEH(...)