Ms Truss additionally stated Ukrainian President Volodymyr Zelensky's speech on the convention was "extraordinarily sobering."
"This is without doubt one of the most harmful moments for European safety that we have skilled since early within the twentieth century. And we have to present unprecedented unity," Truss stated. "There have been many individuals who would wish to suppose hopefully concerning the scenario, however I feel we have to put together for the worst-case situation, and that worst-case situation might occur as early as subsequent week."
Ms Truss stated the UK would stand in unity with its companions to assist Ukraine.
"We have to be sturdy as a result of that's the solely factor that Russia understands. And I feel we have to be sturdy in supporting Ukraine and never promoting Ukraine out with concessions on sovereignty," Ms Truss stated.
"Ukraine wants our assist on the United Nations and on the OSCE and so they additionally want our financial assist as a result of there's a actual risk of financial destabilisation. They want our defence assist, and the UK is dedicated to persevering with to produce that assist, standing shoulder to shoulder with Ukraine," she added.
The overseas secretary harassed that the UK is "resolute in imposing extreme prices on Russia within the occasion of an invasion, together with robust sanctions."
"We'll cease oligarchs with the ability to transfer their cash internationally. We'll cease them touring, and we are going to make it harder for Russian corporations to faucet into our capital markets. And we're additionally going to make it tougher for Russia to entry sovereign debt markets," she stated.
Truss stated the UK stands with Europe and the USA in being "utterly united in assist of Ukrainian sovereignty and self-determination."
"This isn't simply a problem for Europe. This is a matter for the world, as a result of if a sovereign nation is ready to be invaded with no penalties, that sends a sign to different aggressors world wide," she added.
"What this disaster has demonstrated is we're united. We're ready to place robust sanctions in place within the occasion of an incursion. We're ready to produce that defensive assist to Ukraine," Truss stated.
Ukrainian troopers 'prepared for any situation' as mortar shells explode close to entrance line, inside minister says
A CNN group and different journalists accompanying Ukraine's inside minister on a tour of the entrance strains in jap Ukraine got here underneath mortar hearth on Saturday.
Nobody was injured.
Inside Minister Denys Monastyrskiy sought cowl as a number of mortar rounds landed close by. Shortly after the shelling, he gave interviews to worldwide media in Novoluhanske.
A few dozen mortar rounds landed inside a number of hundred meters of the group.
Talking to CNN previous to leaving the realm, Mr Monastyrskiy stated, "We spoke with troopers on the bottom. The spirit is extremely courageous and all guys are prepared for any situation."
He stated that it had been his first time underneath hearth. He instructed reporters that he was within the automobile en route and so they needed to cease each time they heard shelling and lay on the bottom.
At a information convention later in Kramatorsk, Mr Monastyrskiy was requested by CNN what position Ukraine believed that Russian navy advisers had been taking part in within the preventing within the jap a part of the nation.
When is it protected to return to the left lane after overtaking?
"We've details about the advance of the Russian military alongside our territory," he stated. "There may be additionally info that sure items of the Wagner PMC have entered our territory. The aim of the keep is to organise sabotage in our territory."