More European leaders added their voices to the condemnation of the Copenhagen attack, amid growing belief that the gunman was inspired by the Charlie Hebdo massacre and the subsequent killings at the kosher store.

Danish Prime Minister Helle Thorning-Schmidt describes the situation as a taste for the normally peaceful nation to have "the nasty taste of fear and powerlessness" imposed by the terrorists.

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While she concedes that the motives of the person behind the attack in an art house and a synagogue are unknown, what was obvious was he wanted to hurt the nation and take away its vaunted freedom of speech.

French Foreign Minister Laurent Fabius agrees that it was an attack against freedom of expression, Jews and police.

He warned that the wave of attacks is expected to continue, particularly anti-Semitic attacks.

British Prime Minister David Cameron found the shooting an appalling attack on freedom of speech and religious freedom, while German Chancellor Angela Merkel assured Danes she is behind the nation and extended Berlin's cooperation in the global fight against terrorism.

Norwegian Prime Minister Erna Solberg said despite Denmark suffering a despicable act of violence, terror and violence would not limit the lives of Europeans.

Swedish Prime Minister Stefan Lofven vowed that nothing shall stop the free world.

Meanwhile, Danish police said on Monday that they have arrested two people believed to have helped the 22-year-old gunman, who killed a filmmaker and a Jewish security guard in two separate shooting rampages.

But the lawyer of the two unnamed suspects denied that they coddled the gunman by hiding him or helping him dispose of his weapon.

The Week identified the gunman as Omar Abdel Hamid el-Hussein, while his victims were 55-year-old documentary filmmaker Finn Noergaard and 37-year-old guard Dan Uzan.

Tagscopenhagen, gunman, shooting