By Denitsa Koseva in Sofia Montenegro’s ruling coalition has been destabilised by the unexpected decision of President Jakov Milatovic to quit the ruling Europe Now (PES) party, whose co-founder and deputy leader he was. This poses a risk to the ruling coalition, which comprised 46 out of 81 MPs in the Montenegrin parliament. Some members of PES have already quit and local media suggested that at least two more MPs could do so too. That would leave Prime Minister Milojko Spajic with a fragile majority of 42 MPs unless some of the other small opposition parties agree to join the coalition. Howe…