Hamas responds to Gaza cease-fire plan seeking some changes. US says it's 'evaluating' the reply

Hamas has responded to a ceasefire plan supported by the US and UN, with remarks on the proposal. US Secretary of State Anthony Blinken is urging Hamas to accept the plan, which includes a ceasefire and hostage exchange. Blinken is on a diplomatic mission in the Middle East, discussing humanitarian issues in Gaza with leaders in Jordan.

How has Hamas reacted to the recent UN vote mentioned in the text?

What humanitarian situation is being discussed by Blinken and leaders in Jordan?