Outgoing National Security Adviser Jake Sullivan denied reports that the Biden administration is considering returning nuclear weapons to Ukraine, after the country relinquished its stockpile ...

Former national security adviser Jake Sullivan said that the administration of former US President Joe Biden did not provide ...

When US Ambassador to Ukraine, Bridget Brink, resigned her post two days ago, she was under pressure from President ...

states US National Security Advisor Jake Sullivan during his interview with PBS News. Specifically, Sullivan was asked what the US could have done earlier to help Ukraine achieve a faster victory.

National security adviser Jake Sullivan said Sunday that President ... Sullivan said that Biden is hoping to surge aid to Ukraine and move forward with ceasefire talks between Israel and Hamas ...

WILMINGTON, Del.--White House national security adviser Jake Sullivan said Sunday that Russia could invade Ukraine “any day,” launching a conflict that would come at an “enormous human cost.” ...

"God forbid we end up in a full-scale war with the PRC," Jake Sullivan ... have Iran's backing. Sullivan acknowledged on Wednesday that over an eight-week period in 2022, Ukraine used a year ...

National Security Advisor Jake Sullivan made the remarks as South Korean ... alongside Russian forces in the fighting against Ukraine -- a development that observers say could expand the war ...