The commodity-heavy FTSE 100 was up 0.4%, as of 0704 GMT, while mid-cap FTSE 250 index edged 0.3% higher.

The risk sentiment improved following a Wall Street rally late last week and a rebound in copper and iron ore prices on Monday, boosted by an easing COVID-19 restrictions in Shanghai and relaxed testing mandates in several Chinese cities. [MET/L] [IRONORE/]

London-listed shares of Rio Tinto rose 2% after a U.S appeals court ruled that the federal government may give the UK copper miner a right to lands in Arizona.

BAE Systems edged 0.4% higher after the defence company received a $12 billion contract from the U.S Department of Defence.

(Reporting by Boleslaw Lasocki in Gdansk; Editing by Sherry Jacob-Phillips)