The currency is down by 0.6% at 3.5266 per dollar as of 11:40 a.m. ET.
The lira has had a tough year. It has fallen by about 16% against the US dollar since the coup in mid-July.
Turkish media is reporting that Andrey Karlov had just given the opening speech at the Ankara Center for Contemporary Art when he was attacked by an unidentified gunman.
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