In call, UN chief expresses deep concern over Turkish fighter jet shot down over Syria

In call, UN chief expresses deep concern over Turkish fighter jet shot down over Syria: United Nations Secretary-General Ban Ki-moon has expressed his deep concern about the shooting down of a Turkish military jet shot over Syria &#8211 and particularly about the potential serious implications of the incident for the region &#8211 in a telephone call on Saturday with Turkey&#39s Foreign Minister, Ahmet Davutoglu.