Russian President Vladimir Putin has signed a decree adopting a series of retaliatory economic measures against Turkey over the downing of a Russian warplane on the Syrian border.
The sanctions are "aimed at ensuring national security and that of Russian citizens" and include a ban on charter flights between the two countries and on Russian businesses hiring any new Turkish nationals as well as import restrictions on certain Turkish goods, according to a text of the decree released by the Kremlin.
Earlier, Turkish President Recep Tayyip Erdogan had expressed "sadness" over the incident which has severely strained relations, saying that "we wish it had never happened”.
The new measures come into effect from 1 January, according to the decree which adds that "organisations under Turkish jurisdiction" will also find their ability to operate in Russia curtailed.
Furthermore, certain types of goods from the Turkish republic will be subject to "bans or limitations". The list of affected goods has not yet been made public.
The Kremlin's press service said Mr Putin had also instructed the government to "define a list of goods and services to which the economic measures against (Ankara) do not apply".
It added that alongside "measures banning charter traffic between Russia and Turkey" Mr Putin urged Russian tour operators to "refrain from proposing products to Russian citizens involving a visit to Turkish territory".
In addition, Turkish airlines will have to undergo increased controls in Russia "for security reasons".
The decree also officially confirms that Turks will have to apply for visas to visit Russia, a move which Foreign Minister Sergei Lavrov had announced yesterday.
The downing of a Russian Sukhoi 24 jet by Turkey on the border with Syria on Tuesday has caused a crisis in bilateral relations.
NATO member Turkey blasted the Russian jet out of the sky after claiming it crossed into its airspace and ignored several warnings to change course, but Mr Putin furiously denied the claims and demanded an apology which Mr Erdogan has rejected.
Mr Putin, whose government supports Syrian President Bashar al-Assad whereas Ankara backs rebels fighting to topple him, described the incident as a "stab in the back committed by accomplices of terrorists".