The commodity-heavy FTSE 100 edged 0.3% higher, while the more domestically focused mid-FTSE 250 was up 0.5%, as of 0709 GMT.

The mining sector climbed 1.5%, tracking firm copper prices on concerns of potential disruptions in major producer-countries. [MET/L]

The rate-sensitive banking sector advanced 0.4%, after dropping more than 2% in the previous session.

The pan-European STOXX 600 climbed 0.5% in early trading, with focus squarely on a rate decision by the European Central Bank due around 1215 GMT.

The ECB's choice will be between a 50 and 75 basis point increase in the zero-percent deposit rate, with trader expectations leaning towards a bigger increase but not with full conviction. [IRPR]

Cineworld Group filed for bankruptcy protection in the United States, sending its shares down 6.8% as the movie chain operator struggles to restructure debt.

Associated British Foods slid 8.3% after the company flagged lower profit for next year, as its Primark fashion business struggled with rising costs and inflation.

(Reporting by Johann M Cherian in Bengaluru; Editing by Sherry Jacob-Phillips)