US Secretary of State Marco Rubio described the US-mediated peace talks between Russia and Ukraine in Abu Dhabi as "very productive," APA reports.
Rubio made the remarks while commenting on the outcome of the negotiations.
According to him, Washington believes that European partners should eventually join the trilateral talks to achieve a lasting settlement.
Rubio noted that the involvement of European countries in the process is important for a long-term resolution of the conflict.