The first point in the upcoming trilateral negotiations between Russia, Ukraine and the United States in Abu Dhabi will be security issues, Russian Foreign Minister Sergei Lavrov said. According to him, Moscow welcomes this approach. The minister noted that the meeting will be devoted to agreeing on principles for a full settlement of the conflict, Kommersant writes. Earlier, the US Secretary of State, Marco Rubio, called security guarantees a central issue for consultations.