Stock indices traded lower on concerns over the Greek debt problem. The weekend's debt talks between Greece and its creditors were unsuccessful.

The next round of talks is scheduled to at the finance ministers' meeting this Thursday in Luxembourg.

Greek Finance Minister Yanis Varoufakis said that Athens will not provide a new reform proposal.

German newspaper Süddeutsche Zeitung reported that capital controls could be imposed this week. Athens denied this report.

Meanwhile, the economic data from the Eurozone was mixed. Germany's ZEW economic sentiment index slid to 31.5 in June from 41.9 in May, missing expectations for a decline to 37.1.

The ZEW President Clemens Fuest said that "the ongoing uncertainty over Greece's future and the restrained dynamic of the global economy" weighed on the German economy.

Eurozone's ZEW economic sentiment index dropped to 53.7 in June from 61.2 in May.

Employment in the Eurozone climbed 0.1% in the first quarter, after a 0.1% rise in the fourth quarter.

German final consumer price index rose 0.1% in May, in line with the preliminary estimate, after a flat reading in April.

The increase was driven by higher food and non-alcoholic beverages costs.

On a yearly basis, German final consumer price index increased to 0.7% in May from 0.5% in April, in line with the preliminary estimate. It was the highest level since October 2014.

The Office for National Statistics (ONS) released the consumer price inflation data for the U.K. on Tuesday. The U.K. consumer price index rose to 0.1% in May from -0.1% in April, in line with expectations.

The increase was driven by higher prices for airfares and smaller declines in food and fuel prices than a year earlier.

The Bank of England Governor (BoE) Mark Carney expects the consumer price inflation to rise towards the end of the year.

Consumer price inflation excluding food, energy, alcohol and tobacco prices climbed to 0.9% in May from 0.8% the month before.

The consumer price inflation is below the Bank of England's 2% target.

Current figures:

Name Price Change Change %

FTSE 100 6,681.66 -28.86 -0.43 %

DAX 10,873.66 -111.31 -1.01 %

CAC 40 4,777.72 -37.64 -0.78 %