MOSCOW: Russian Vice Prime Minister Dmitry Kozak will discuss the resumption of supplies along the transit Druzhba pipeline on May 16 with his Belarusian counterpart Igor Lyashenko, Kozak's aide told journalists on Wednesday.Piped Russian crude oil exports have been disrupted since April after high levels of organic chloride were found in crude pumped via the Druzhba pipeline to the Baltic port of Ust-Luga. The pipeline splits into two branches in Belarus.