By 11 May , the possibility of a deal was becoming less likely as talks between the Conservatives and Liberal Democrats continued .
Brown 's continued presence as Prime Minister was seen an obstacle to the negotiation of a Labour - Liberal Democrat deal .
By 11 May , the possibility of a deal was becoming less likely as talks between the Conservatives and Liberal Democrat   continued .
Brown 's continued presence as Prime Minister was seen an obstacle to the negotiation of a Labour - Liberal Democrat deal .