The president joined crowds on the South Lawn of the White House.
China has already criticised the move made by the White House.
A father has paid tribute to his "wonderful wife" and "amazing children" who were killed in a bombing at the Shangri-la Hotel in Sri Lanka.
The image was taken in the Democratic Republic of Congo.
Anders Holch Povlsen is believed to be the largest landowner in Scotland.
The country's health minister says 'political dysfunction within the government' kept people in the dark.
Faye Mooney had been working for aid group Mercy Corps who said they were "utterly heartbroken" at the news.
Comedian Volodymyr Zelenskiy was credited with 73.2% of the vote, exit polls suggest.
Authorities say no group has come forward to claim responsibility for the attacks.
Protesters and police clash on the streets as motorbikes burn and tear gas is fired.