Massive amounts of foreign aid have flowed into Niger since the world woke up to the crisis, but the food has not yet reached around a million people. It arrived too late and is still being distributed.
Aid agencies working on the ground feel ashamed at
the world's slow reaction - every day they see children dying right before their eyes.
[Longman American Dictionary] USAGE NOTE : GUILTY WORD CHOICE : guilty, ashamed, embarrassed
feels bad
because they did something wrong, especially something that has harmed someone else
He felt guilty about spending so little time with his children.
* Use ashamed to say that someone feels guilty and uncomfortable
about something they did that is morally wrong
,and which might make other people not respect them
She was ashamed of having told her mother a lie.
* Use embarrassed to say that someone is upset
beause they did something that makes them seem silly or stupid
He was embarrassed about the way he acted at the party.