London's FTSE 100 index was subdued on Monday as weakness in heavyweight banks offset gains in miners and oil stocks, while Morrisons dropped after private equity firm Clayton, Dubilier & Rice (CD&R) won a bid for the company.

The blue-chip FTSE 100 index was flat at 0712 GMT, with HSBA, Prudential and Lloyds Group among the worst performers.

The domestically focussed mid-cap index fell 0.2%, led by declines in consumer discretionary stocks.

Britain's fourth-largest supermarket Morrisons declined 3.7% after US private equity firm Clayton, Dubilier & Rice (CD&R) won the auction for the company with a 7 billion pound ($9.5 billion) bid.

Petrofac gained 9.2% after the oil services group said it was looking at refinancing options as it faces a possible $240 million fine from a London court.

Online trading platform Plus500 rose 5.8% after raising its forecast for the second time in less than three months.