KHARKIV, Ukraine — Turkey is working to negotiate an exit for the wounded Ukrainian soldiers sheltering in the bunkers of a steel plant in the port city of Mariupol, but its efforts have been complicated by the fluidity of the fighting on the ground and because neither Russia nor Ukraine has given clearance for the plan, Turkey’s presidential spokesman said Saturday.
In an unusually candid interview by teleconference call from Istanbul, the spokesman, Ibrahim Kalin, said Turkey had been…
