David Cameron has hailed the Newark by-election result as "very good for the Conservative Party" but he said the Tories needed to "work between now and the next election" to win back voters from Ukip, who came out second in the by-election.
The PM was speaking in Bayeux, France ahead of D-Day commemoration events.
Asked how he would win back support from Nigel Farage's party he acknowledged the challenge posed by Ukip:
"The job isn't finished yet but we are on the right track, let's stick at it."
More top news
A senior health official has called for vitamin supplements for children amid warnings over a rickets 'epidemic'.
The former Top Gear also revealed his cancer scare just two days before the fracas which led to his sacking.
Tonight will start off clear in many areas, but cloud will increase from the east overnight, bringing some light and patchy rain.