Ukraine says half of military aid from Western allies is arriving later than arranged and that its late arrival is impacting the situation on the battlefield. “Fifty percent of what has been promised does not arrive on time,” Defence Minister Rustem Umerov told journalists in Kiev on Sunday, as Ukraine enters its third year of fending off a Russian invasion with Western support. “We are losing people and material,” added Umerov. Ukraine has been on the defensive in recent months and under severe pressure due to a lack of ammunition and equipment. The Russian military has meanwhile made recent …