The US introduced anti-Russian sanctions that are illegal under international law. In recent years, the US has pursued a policy towards Russia that can hardly be described as friendly. Russia’s interests are ignored while anti-Russian activities are pursued. Without any provocation whatsoever from Russia, illegal sanctions under international law are imposed repeatedly.
Ukrainian President Petro Poroshenko may provoke a direct military clash with Russian forces before the election – that way, voting will be postponed and he will remain in power. But since Poroshenko is not an independent figure and does not make military decisions himself, this strategy would be part of unified plan led by NATO and the US, just as it happened in August 2008 in Georgia. Alternatively, if the elections take place after all, this orchestrated clash would help Poroshenko mobilise voters in his favour.
Conspiracy theory with no evidence given. This case is consistent with pro-Kremlin disinformation narratives about the election in Ukraine. For similar cases see: Kerch confrontation - part of Poroshenko's plan to postpone the Ukrainian election. This disinformation case occurred in the context of President Poroshenko's address to the UN, where he declared his expectation that the UN will continue with its peacekeeping mission in eastern Ukraine.