Isis, which controls pockets of the country, said it was behind the attacks.
The outcome, almost certain to be "yes," will further rattle a region still engulfed in the fight against the Isis.
Turkish state media said 22 of the jihadists, detained in Istanbul, were foreign nationals.
Countries are working to boost ties in their bid to diminish Iran's growing influence in the Middle East.
One soldier was also taken hostage, the terror group said in a statement.
Mosul was recently declared liberated from Isis after months of fighting.
The former UK Prime Minister discussed her plans with US defence secretary Dick Cheney.
"Of all the wars I have covered in various countries, Mosul has been the worst."
Harrowing stories are emerging from the newly-liberated city Mosul after it's recapture.
Amnesty says UK claim of no civilian casualties was 'implausible'.
Iraqi forces repeatedly used coalition air strikes in Mosul, often to kill teams of just two or three Isis fighters armed with light weapons.
The surge is threatening recent gains in other Old City fronts, an Iraqi military officer said.
The video threatens encourages Muslims to carry out lone wolf attacks in America, Europe, and Russia.
At least 20 women, mostly foreign jihadi wives, have blown themselves up in Mosul since Sunday.
Karar Nushi was found dead on the streets of Baghdad with multiple stab wounds and other signs of torture.
Iraqi forces have found terrified families who had been hiding in their homes for weeks as fierce fighting raged around them.
Harrowing photos show terrified families escaping across piles of rubble, and Iraqi forces rescuing a little boy whose family had been killed in the fighting.
After months of court battles and controversy Donald Trump's travel ban was imposed on 29 June.
Iraqi forces battling Isis in Mosul say they are days away from ousting militants completely from the Old City.
Iraqi MP Vian Dakhill also shared the harrowing story of a 10-year-old girl raped to death.
End of Ramadan in liberated Mosul was joyous after three years of Isis rule.
Swiss national Veronique Robert died of injuries sustained earlier this week.