During a press briefing session, U.S. State Department spokeswoman Elizabeth Trudeau told reporters that the Russian Su-24 shot down by Turkey did violated Turkish airspace.
“We also know that the Turks warned the Russian pilots multiple times before the airspace violation to which the Turks received no response.”
[thumb]http://www.state.gov/r/pa/prs/dpb/2015/11/250155.htm[/thumb]