A Chinese PLA Navy fleet taking part in a review in the South China Sea last month. Photo: VCG/VCG via Getty Images

China blasted the U.S. on Sunday for sailing two Navy warships into an area of the South China Sea claimed by Beijing — a move that comes amid strained U.S.-China relations over trade as President Trump seeks cooperation on North Korea, reports the Wall Street Journal.

What they’re saying: The U.S. move was a "freedom of navigation operation," designed to purposefully test China's claims in the sea, per the WSJ, prompting Chinese foreign and defense officials to express “firm opposition” to what they characterized as a violation of sovereignty. The long-disputed area has become a recent hotspot between the U.S. and China with the Trump administration also threatening consequences for increased Chinese activity in the area.

Go deeper

Updated 7 hours ago - Politics & Policy

Coronavirus dashboard

Illustration: Aïda Amer/Axios

  1. Global: Total confirmed cases as of 9 p.m. ET: 12,220,166 — Total deaths: 553,438 — Total recoveries — 6,696,632Map.
  2. U.S.: Total confirmed cases as of 9 p.m. ET: 3,111,902 — Total deaths: 133,195 — Total recoveries: 969,111 — Total tested: 38,032,966Map.
  3. Public health: More young people are spreading the virus Cases rise in 33 statesFlorida reports highest single-day death toll since pandemic began.
  4. Science: World Health Organization acknowledges airborne transmission of coronavirus.
  5. 1 🐂 thing: How the world could monitor for potential pandemic animal viruses.
8 hours ago - Podcasts

Inside Joe Biden's economic plan

Joe Biden on Thursday returned to his hometown of Scranton, Pennsylvania, to give his first major speech on economic policy since becoming the Democratic Party’s presumptive presidential nominee.

Axios Re:Cap digs into Biden's plans, how they developed and how they may change, with former U.S. Commerce secretary and campaign surrogate Penny Pritzker.

9 hours ago - World

Countries grapple with whether to lock back down as hotspots emerge

Tokyo in the time of coronavirus. Photo: Charly Triballeau/AFP via Getty

Many politicians and public health officials sounded a similar lockdown refrain in the spring: let’s do this right so we only have to do it once.

Reality check: While some countries have thus far managed to keep cases under control after opening up, dozens of countries that had initially turned a corner are now seeing a worrying rebound. They have to decide if and how to return to lockdown — and whether their populations will stand for it.