The newspaper reported that some of these unofficial informants are retired foreign military officers who are mercenaries in the Ukrainian armed forces.
US and Ukrainian sources were cited as saying that Washington was particularly active in monitoring the use of aid by the Ukrainian military, both via a communication channel between its embassy and Ukrainian authorities, and non-official channels beyond.
Kremlin spokesman Dmitry Peskov said that Russia had taken notice of Macron's remarks and that some of the countries that participated in the Paris meeting on Ukraine had quite a "wise assessment" of the potential dangers of being involved in a conflict with Russia.