Danish police said they arrested Friday a third alleged accomplice in the Copenhagen shootings who was identified by the media as the gunman's brother.

The suspect is "charged with complicity in the perpetrator's actions" and will appear before a judge on Saturday for a custody hearing, police said in a statement.

A Danish man whose Facebook comments appeared to back the gunman behind the deadly Copenhagen attacks will not face charges of condoning terrorism, a prosecutor said Thursday.

The unidentified man had posted comments including "Je suis Omar" and "We are all Omar" on his Facebook page, referring to Omar El-Hussein, who killed two people in the twin shootings on February 14 and 15.

Two men charged with helping the gunman behind the deadly twin attacks in Copenhagen have been detained for another month, police said on Thursday.

The two suspects, who appeared in court for the custody hearing, are accused of helping Omar El-Hussein get rid of weapons used in the shootings at a cultural center and a synagogue earlier this month, and of giving him a hiding place.

A former jihadist who became an al-Qaida double agent says Muslims must do more to tackle extremism in their midst and that stopping lone wolf attacks is near-impossible.

Morten Storm has seen deep inside the conflict between jihadists and Western intelligence services, having served both.

Several hundred mourners Tuesday attended the funeral of the first victim of the Copenhagen shootings as reports said the filmmaker died trying to stop his killer from spraying a cultural center with bullets.

At least 40 heavily armed police officers guarded the church in the northwest of the city as Prime Minister Helle Thorning-Schmidt joined the mourners to bid farewell to Finn Noergaard.

A Danish Muslim group Monday said it was planning a peace vigil in the heart of Copenhagen this week to protest against hate crimes after this month's twin attacks in the city.

"We do not accept attacks on people whether your name is Finn, Dan or Aisha," said a statement from Tanwir Ahmad of The Network, which gathers Muslim academics.

Hundreds of people on Friday attended the Islamic burial of the gunman who killed two people in twin shootings in Copenhagen last weekend.

Omar El-Hussein, 22, was placed in an unmarked grave in the Muslim cemetery in Broendby, on the outskirts of Copenhagen, watched by around 500 people, mostly young men wearing thick black jackets against the cold and rain, an Agence France-Presse reporter said.

The gunman who killed two people in twin attacks in Copenhagen nearly a week ago was due to be buried later Friday at a Muslim cemetery despite objections from the Islamic group that owns it.

The group said it had considered denying a request by the parents of 22-year-old Omar El-Hussein -- identified by police as the shooter -- to have him buried in the group's Muslim cemetery, but that its rules did not allow for it.

U.S. President Barack Obama on Thursday called on Middle Eastern leaders to stand up to "violent extremism" and stop proxy wars that fuel the rise of terror groups.

"The notion that the West is at war with Islam is an ugly lie," he told the final day of a conference on combating extremism. "And all of us, regardless of our faith, have a responsibility to reject it."

Denmark on Thursday unveiled a 130-million-euro ($150-million) plan to combat terror at home and abroad, after two people were shot dead in attacks in Copenhagen.

The plan, mooted before the weekend shootings, will enable the intelligence services to better monitor Danes traveling abroad to fight with the Islamist State group, while also targeting the radicalization of prisoners in jails.