>> Cyber security experts warning that new versions of the ransomware that crippled businesses and schools across the globe. Could wreak fresh havoc on Monday when employees return to work. US and European officials scrambling to catch the culprits behind the virus dubbed Wannacry. That first struck Friday and stretched across more than 150 countries.
Forcing victims to pay hundreds of dollars each to regain access to their computers. US President Donald Trump ordering Homeland Security adviser Tom Bossert. To convene an emergency meeting to assess the threat in its aftermath. With top US officials holding a second meeting Saturday to help mitigate the damage.
The original attack loosing momentum late Friday. After a security researcher in the UK, who uses the Twitter handle MalwareTech Blog. Stumbled on a way to temporarily limit the worm's spread. But cyber experts, including the head of the European Union Police Agency, warn that respite could be short lived.
Affected businesses include FedEx, Nissan, German rail operator Deutsche Bahn. And hundreds of hospitals and clinics in the British National Health Service.