Dec 30 (Reuters) - * ALPAYANA COMMENCES ALL-CASH OFFER TO ACQUIRE SIERRA METALS INC. * ALPAYANA S.A.C.: UNDER DEAL, SIERRA SHAREHOLDERS WHO TENDER COMMON SHARES TO GET C$0.85 IN CASH FOR EACH COMMON SHARE Source text: ...

WASHINGTON (Reuters) -Chinese state-sponsored hackers breached the U.S. Treasury Department's computer security guardrails this month and stole documents in what Treasury called a major incident, according to a letter to lawmakers that Treasury officials provided to Reuters on Monday. The hackers compromised third-party cybersecurity service provider BeyondTrust and were able to access unclassified documents, the letter said. According to the...

MANCHESTER, England, Dec 30 (Reuters) - Ruben Amorim called it embarrassing as a Manchester United ( MANU ) manager to be discussing the threat of relegation, but after Monday's miserable 2-0 Premier League loss to Newcastle United he conceded that is the reality his team are facing. Newcastle's Alexander Isak and Joelinton headed early goals to hand Amorim's team their...

WASHINGTON, Dec 30 (Reuters) - The National Transportation Safety Board said on Monday that it sent investigators, including an accredited representative and investigators with specialties in operational factors and airworthiness, to South Korea to assist with the investigation of the Dec. 29 Jeju air accident that left more than 170 people dead. ...