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Airport employees attend a ceremony for their friends, who were killed in Tuesday's attack at the airport, at the international departure terminal of Ataturk airport in Istanbul, Turkey, June 30, 2016.Reuters

Eleven more people suspected of being associated with the Islamic State group (ISIS) cell in Istanbul were detained by the Turkish police on Friday.

According to Reuters, the number of arrests made in the investigation has gone up to 24 following the raid by a counter-terror police squad in the district of Basaksehir on the European side of Istanbul.

Meanwhile, Turkish President Recep Tayyip Erdogan has said that ISIS is behind the airport attack and that the group's militants would end up in hell since they claim to carry out attacks in the name of Islam but know nothing about the religion, the Associated Press reported.

"They have no connection to Islam. Their place is in hell... These people were innocent; they were children, women, elderly... They embarked on a journey unaware, and came face to face with death. You have no such right," Erdogan said.

The Chairman of the US House Committee on Homeland Security Rep. Michael McCaul, along with Turkish and Swedish media and authorities, apparently said that a Chechen extremist named Akhmed Chatayev is behind the attack at the Istanbul Ataturk airport which killed around 44 people. He was the one who directed the suicide bombers in the Tuesday attack.

Chatayev was convicted of smuggling an automatic weapon and two handguns with munition and silencers into Sweden in March, 2008. But the Turkish authorities have not confirmed his involvement. They believe the ISIS is behind the attacks even though the terrorist organisation has not claimed responsibility, AP reported.

Airport employees attend a ceremony for their friends, who were killed in Tuesday's attack at the airport, at the international departure terminal of Ataturk airport in Istanbul, Turkey, June 30, 2016.
Airport employees attend a ceremony for their friends, who were killed in Tuesday's attack at the airport, at the international departure terminal of Ataturk airport in Istanbul, Turkey, June 30, 2016.Reuters
Airport employees mourn for their friends, who were killed in Tuesday's attack at the airport, during a ceremony at the international departure terminal of Ataturk airport in Istanbul, Turkey, June 30, 2016.
Airport employees mourn for their friends, who were killed in Tuesday's attack at the airport, during a ceremony at the international departure terminal of Ataturk airport in Istanbul, Turkey, June 30, 2016.Reuters
Friends and relatives of Habibullah Sefer, who was killed in Tuesday's attack at Istanbul airport, stand next to his flag-draped coffin during his funeral ceremony in Istanbul, Turkey, June 30, 2016.
Friends and relatives of Habibullah Sefer, who was killed in Tuesday's attack at Istanbul airport, stand next to his flag-draped coffin during his funeral ceremony in Istanbul, Turkey, June 30, 2016.Reuters
Relatives of four victims, who were members of the Amiri family who were killed in Tuesday's attack at the Istanbul airport, carry their coffins during their funeral ceremony in Istanbul, Turkey, June 30, 2016.
Relatives of four victims, who were members of the Amiri family who were killed in Tuesday's attack at the Istanbul airport, carry their coffins during their funeral ceremony in Istanbul, Turkey, June 30, 2016.Reuters
Friends and relatives of Habibullah Sefer, who was killed in Tuesday's attack at Istanbul airport, carry his flag-draped coffin during his funeral ceremony in Istanbul, Turkey, June 30, 2016.
Friends and relatives of Habibullah Sefer, who was killed in Tuesday's attack at Istanbul airport, carry his flag-draped coffin during his funeral ceremony in Istanbul, Turkey, June 30, 2016.Reuters
Workers stand near debris from yesterday's blasts as they take a break at Turkey's largest airport, Istanbul Ataturk, Turkey, June 29, 2016.
Workers stand near debris from yesterday's blasts as they take a break at Turkey's largest airport, Istanbul Ataturk, Turkey, June 29, 2016.Reuters
School children hold candles and placards as they pray during a vigil to show solidarity with the victims of the attack at Turkey's largest airport, Istanbul Ataturk, in Agartala, India, June 29, 2016.
School children hold candles and placards as they pray during a vigil to show solidarity with the victims of the attack at Turkey's largest airport, Istanbul Ataturk, in Agartala, India, June 29, 2016.Reuters
People walk away from Istanbul Ataturk airport, Turkey, following a blast June 28, 2016.
People walk away from Istanbul Ataturk airport, Turkey, following a blast June 28, 2016.Reuters
Paramedics attend to casualties injured outside Turkey's largest airport, Istanbul Ataturk, Turkey, following an attack, June 28, 2016.
Paramedics attend to casualties injured outside Turkey's largest airport, Istanbul Ataturk, Turkey, following an attack, June 28, 2016.Reuters
Ambulances arrive at Turkey's largest airport, Istanbul Ataturk, Turkey, following a blast June 28, 2016.
Ambulances arrive at Turkey's largest airport, Istanbul Ataturk, Turkey, following a blast June 28, 2016.Reuters
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