A bipartisan deal to implement new border restrictions with Mexico and unlock military aid to Ukraine is on the verge of collapsing in the US Senate, where Republican support has waned in the face of opposition from former President Donald Trump’s candidate, according to Bloomberg. Republican senators have stated that the scheduled vote on this measure for Wednesday was premature, delaying the provision of aid to Ukraine, which desperately needs it, for at least several weeks and leaving the situation at the border unresolved, worsening. The $118.3 billion deal resulted from months of closed-d…