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The chief suspect tied to the New Year's Eve attack has been caught in Istanbulby Mike Denison
Security & Threats

[UPDATE] 4:55 p.m. | Turkish media says Suspect in Istanbul nightclub attack captured.

Turkish media reports say police have caught the gunman who killed 39 people during an attack on a nightclub in Istanbul during New Year's celebrations, according to the Associated Press.

The private Dogan news agency and other media say the suspect was caught in Istanbul's district of Esenyurt in a police operation late on Monday.

Islamic State has claimed has claimed responsibility, saying the attack was in reprisal for Turkish military operations in northern Syria.

Turkish police arrested five people on Wednesday tied to the New Year's Eve shooting in an Istanbul nightclub that killed 39 people, but the chief suspect remains at large.

The arrests took place in the port city of Izmir, USA Today reports. At least 21 people are being held by authorities.

Turkey's Foreign Minister Mevlut Cavusoglu said the chief suspect had been identified, but did not give further details. He is believed to be about 25 years-old and a native of a Central Asian nation, such as Uzbekistan or Kyrgyzstan. 

WATCH  | A selfie video of the chief suspect in Istanbul was released Tuesday. 

State of emergency for months

A passport of a Kyrgyz man circulated on social media. But after questioning the man, Kyrgyz officials said he was not involved in the attack, the BBC reports.

Turkey also extended its national state of emergency, which has been ongoing since a failed coup in July

The attacker's code name was recently revealed.