Ukraine hit more than 40 Russian bomber aircraft at four bases across Russia, using drones smuggled into the country and launched remotely off the back of trucks, security sources said.
Britain has "lost control" of its borders over the last five years, the defence secretary told Sky News after hundreds of migrants crossed the Channel.
New weapons factories will be built "very soon" to show Vladimir Putin the UK is "stepping up our deterrents", the defence secretary has told Sky News.