LONDON (Reuters) - Global miner Rio Tinto (>> Rio Tinto plc) (>> Rio Tinto Limited) said on Monday it would launch a new bond buyback of up to $2.5 billion in an effort to cut debt.

The London-listed miner said it had issued a redemption notice for $1.72 billion of its 2019 and 2020 dollar-denominated notes and a cash tender offer to buy about $781 million of its five 2021, 2022 and 2025 notes.

(Reporting by Zandi Shabalala, editing by Louise Heavens)

Stocks treated in this article : Rio Tinto Limited, Rio Tinto plc