Turkey's state-run news agency says police have detained 52 Syrian nationals over their suspected links to the Islamic State group.

The European Court of Human Rights on Tuesday called on Turkey to release the former head of Turkey's pro-Kurdish opposition from detention.

Police in Istanbul detained 12 academics, businesspeople and journalists as part of an investigation into an association that was headed by a jailed prominent businessman and activist, Turkey's state-run news agency reported Friday.

Turkey is waiting for Saudi Crown Prince Mohammed bin Salman to shed light on the killing of journalist Jamal Khashoggi at the Saudi Consulate in Istanbul last month, the country's president was quoted as saying Tuesday.

The Latest on Europe's migration crisis (all times local): 6:50 p.m. Bulgarian officials are signaling the country will not sign a global pact to promote safe and orderly migration, saying that it would harm national interests.

The Latest on the killing of journalist Jamal Khashoggi (all times local): 4:15 p.m. Five months after quitting the U.N.'s top human rights body, the United States has resurfaced at a Human Rights Council venue — calling for a "thorough, conclusive and transparent" investigation into the killing of Saudi journalist Jamal Khashoggi.

The Latest on the death of Saudi writer Jamal Khashoggi (all times local): 10:15 p.m.

The Latest on the killing of Saudi writer Jamal Khashoggi (all times local): 10:35 a.m.

The Latest on migration into Europe (all times local): 8:15 p.m Morocco's Interior Ministry says a migrant has died and 22 others have been injured while climbing a fence separating the Spanish enclave of Melilla from Morocco during a mass attempt to cross the border.

The Latest on the disappearance of Saudi writer Jamal Khashoggi, a Washington Post columnist who went missing after entering the Saudi Consulate in Istanbul earlier this month (all times local): 4:40 p.m.

A summit between the leaders of Turkey, France, Germany and Russia will be held in Istanbul this month to discuss the conflict in Syria and efforts for a lasting solution to the war in the Arab country, a Turkish official said Friday.

The Latest on Europe's response to mass migration: (all times local): 4:50 p.m. Greek authorities say a coast guard officer credited with saving thousands of lives off the eastern Aegean island of Lesbos at the height of Europe's migration crisis has died at age 44.

The lawyer for an American pastor at the center of a spat between NATO allies Turkey and the United States petitioned Turkey's highest court on Wednesday seeking his release from house arrest.