It was announced before that the Ronin network was hacked - now, as an action Binance suspended withdrawals and deposits to Ronin network.
Around 173,600 ether (ETH) and 25.5 million USDC, or more than $625 million at current values were lost due to the hack.
As an action Binance said it has suspended all deposits and withdrawals on the Ronin network and blocked potential hacker addresses, with a dedicated monitoring team watching for any unusual transactions. In support to the Axie Infinity team. But of course, Binance will resume deposits and withdrawals in the network once they deemed that the network is back to being stable.