Federal Reserve Chair Jerome Powell vowed Friday to act to ensure that the U.S. economic expansion continues, but admitted the central bank had limited tools to respond to an intensifying trade war.

Liverpool manager Jurgen Klopp is hopeful he will not have to cope without his commanding goalkeeper Alisson Becker for much longer with the Brazilian nursing a torn calf muscle.

Frank Lampard insists Chelsea's misfiring strikers will rediscover their touch in front of goal.

British Prime Minister Boris Johnson on Friday called the wildfires raging in the Amazon rainforest "an international crisis", ahead of a G7 summit that will hammer out a response to the issue.

Iranian Foreign Minister Mohammad Javad Zarif said Friday that suggestions by French President Emmanuel Macron about defusing the crisis over Iran's nuclear drive went in the right direction, but more work needed to be done.

"President Macron made some suggestions last week to President (Hassan) Rouhani and we believe they are moving in the right direction, although we are not definitely there yet," Zarif told Agence France-Presse (AFP) in an interview after meeting Macron for rare talks in Paris.

Brazil's President Jair Bolsonaro said Friday he is considering deploying the army to help combat fires raging in the Amazon rainforest, as a growing global outcry over the blazes threatens to torpedo a huge trade deal. 

G7 leaders gathering in France this weekend plan to hammer out "concrete measures" in response to the wildfires raging in the Amazon rainforest, putting them on a collision course with Brazil's rightwing leader.

China announced Friday it will hit U.S. soybeans, lobsters, peanut butter and other imports worth $75 billion with new tariffs in retaliation for Washington's planned duty hikes, further intensifying the bruising trade war between the world's top two economies.

U.S. President Donald Trump on Friday pledged a quick response to China's decision to slap a new round of tariffs on U.S. goods, and told American firms to find an "alternative" to making their products in China.

Veterinarians have successfully harvested eggs from the last two surviving northern white rhinos, taking them one step closer to bringing the species back from the brink of extinction, scientists said in Kenya on Friday.