Paul Nuttall, UKIP's deputy leader, says any election pact with the Conservatives would be "very difficult" while David Cameron heads up the party.
"You really can't believe a word he says on the European Union and he's also a guy who called us closet racists," he said.
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Iain Duncan Smith has called for the Universal Credit waiting time to be cut from six weeks to a month.
The most revealing statement made today was a tweet by European Commission President Jean-Claude Juncker's chief of staff.
The row over Donald Trump's call to a widow of a US soldier rumbles on after the widow claims his words and tone made her "cry even more".