Governments around Europe huddled with their intelligence services Wednesday to evaluate security measures in the wake of the massacre at French satirical weekly Charlie Hebdo.

The Paris attack by heavily armed masked men shouting "Allahu akbar" (God is Greatest) was the worst in France in decades and stoked fears of a new wave of Islamist attacks in Europe.

Three supporters of the Islamic State group in Saudi Arabia have been arrested for shooting and wounding a Danish citizen last month, the interior ministry said on Thursday.

"The perpetrators of this vile attack, three Saudis, have been arrested," ministry spokesman General Mansour al-Turki said in a statement carried by the official Saudi Press Agency.

Denmark urged wealthy Gulf states Friday to honor their promises on funding humanitarian aid for Syrian refugees as a crucial U.N. food aid program was cut after running out of money.

Denmark, already a big donor, said it could help the U.N. program, which was supporting 1.7 million Syrian refugees, but it blasted Gulf states for not paying up.

How do you turn around a young man who is determined to destroy the West? In the Danish city of Aarhus, you take him to a cafe or a public library and talk about football.

This is the softly-softly approach of Mads, a mentor in an innovative programme to deradicalise young Muslim men who might otherwise turn to violence.

An Islamic State-linked media group has released a video claiming to show the shooting of a Danish national by its "supporters" in Saudi Arabia last month, U.S.-based monitoring group SITE said.

Denmark has confirmed that one of its nationals was shot and wounded in the Saudi capital Riyadh on November 22.

Denmark paid unemployment benefits to 28 people while they were waging war for the Islamic State (IS) group in Syria, the Danish intelligence service was quoted as saying on Thursday.

Out of the 28 Danish people identified by the Danish Security and Intelligence Service (PET) as having received benefits, 15 had been ordered to pay the money back, eight people were still being investigated, and five cases had been dropped due to insufficient evidence, tabloid BT reported.

Denmark on Sunday confirmed that one of its nationals was shot and wounded in the Saudi Arabian capital and said it was assisting the victim's relatives.

"We can confirm that a Danish citizen has been shot. We're giving consular help to the family," a Danish foreign ministry official told AFP.

A Danish court on Wednesday freed 10 men charged with "terror funding" after raising up to 140 million kroner (18.8 million euros, $23.8 million) for Kurdish rebels.

The money was channeled to the Kurdistan Workers' Party (PKK), a militant separatist group, through Roj TV, a Denmark-based Kurdish television channel that had its license revoked last year for "glorifying terrorism".

Denmark will send seven F-16 fighter jets to help combat IS militants in Iraq, Prime Minister Helle Thorning-Schmidt said on Friday.

"I am very pleased that there now is a broad coalition, including countries in the region who want to... contribute," she said at a press conference, adding that the Danish fighter jets would not join U.S. planes in bombing targets in Syria.

Denmark said on Friday it would introduce a new, temporary type of residence permit for asylum seekers fleeing civil wars such as the Syrian conflict after a huge surge in the number of applications.

It also unveiled a new plan for stemming the flow of Danish extremist fighters to Syria and Iraq.