Ukrainian President Volodymyr Zelensky will visit Saudi Arabia on Saturday to drum up support for a planned peace summit in Switzerland next month, a diplomatic source at the Ukrainian embassy in Riyadh said. Zelensky will arrive in the Saudi port city of Jeddah for a short visit during which he will meet Crown Prince Mohammed bin Salman, the monarchy’s de facto ruler, and other senior officials, the source added on Thursday. The visit is part of Zelensky’s efforts to secure wide participation in the Swiss conference. Switzerland has invited around 160 countries to a summit on June 15-16 to di…