THE European Union will halt part of its training of Mali's armed forces, the EU's top diplomat Josep Borrell said, citing a lack of guarantees from Malian authorities that Russian military contractors would not interfere in the work. The decision is likely to add to international concern about the longevity of the U.N. peacekeeping mission (MINUSMA) and the European Union's EUTM and EUCAP missions, after France and its allies began withdrawing from Mali earlier this year. "We have decided to suspend, to stop, certain formations of our training mission in Mali focused on the units of the armed forces of…