Three days on, and Ukraine is still digesting the full implications of Operation Spider's Web, Sunday's massive assault on Russia's strategic aviation.
"The bottom line is that we've got to be ready in case things don't happen the way we want," Hassett said of the expected talks.But the Chinese side prefers agreements to be done at a lower level first before they reach the desk of the president.
Last week, Trump announced the US would double its current tariffs on steel and aluminium from 25% to 50%, starting on Wednesday.Speaking at a rally in Pittsburgh, Pennsylvania on Friday, Trump said the move would help boost the local steel industry and national supply, while reducing reliance on China.Fashion brand The North Face and luxury jeweller Cartier have become the latest retailers to report having customer data stolen in cyber attacks.
North Face has emailed some customers saying it discovered a "small-scale" attack in April this year.Cartier said "an unauthorized party gained temporary access to our system".
Both brands say data such as customers names and email addresses were taken, but financial information was not.
There has been a wave of cyber attacks on high-profile retailers in recent weeks, including Adidas, Victoria's Secret and Harrods."If the world reacts weakly to Putin's threats, he interprets it as a readiness to turn a blind eye to his actions," he added.
On Wednesday, a delegation of Ukrainian officials including Deputy Prime Minister Yulia Svyrydenko and Presidential Office head Andriy Yermak were set to meet with US senators in Washington to discuss arms purchases and efforts to stop the fighting.In a social media post, Yermak said that the delegation planned to discuss "defense support and the situation on the battlefield", sanctions against Russia and a previously signed reconstruction investment fund.
The post also comes just days after a second round of direct peace talks in Istanbul between the warring sides ended without a major breakthrough, although they agreed to swap more prisoners of war.Ukrainian negotiators said Russia rejected an "unconditional ceasefire" - a key demand of Kyiv and its Western allies including the US.