The German chancellor must preserve a deal with Ankara that limits refugee flows into Europe.
Relations between the two countries soured after the Israeli commando raid on the Mavi Marmara in 2010.
Prime minister signs defense deal, cautions Turkey on human rights abuses.
If the bill receives final approval from lawmakers, a referendum is expected in the spring.
A suicide bomb attack on a military bus in the central city of Kayseri last month killed 14 soldiers.
Lawmakers came to blows over constitutional changes that would allow Erdogan to rule until 2029.
President Erdogan's state of emergency risks destroying the very fabric of Turkish society.
The deal 18 months in the planning would end 40 years of division.
Ankara continued to criticize the U.S. for what it sees as a lack of support for its aims in Syria.
Moscow and Ankara had reset ties following the downing of a Russian jet in November 2015.
Turkish forces are trying to retake al-Bab, which lies 15 miles from its border, from the militants.
Mevlut Mert Altintas was a member of the Ankara anti-riot police for two-and-a-half years.
Instead of driving a wedge between Russia and Turkey, the assassination may serve to bring them even closer.
The Russian president invited Erdogan last week to discuss Syria in Kazakhstan.
Since July's failed coup, journalists have faced a greater threat of arrest or censorship, according the HRW.
Russia's Foreign Minister will "clarify intentions" on his next visit to Turkey.
Searches are underway to establish the whereabouts of the troops.
The Turkish leader issued a swipe at the U.N. and Russian-backed Syria.
I wish Flynn had never said that Islam itself should be feared.