What the papers say - January 30

Continuing unrest within the Conservative Party over Theresa May's leadership, Brexit and a review of pay at the BBC are at the top of the news agenda on Tuesday.

The Times says Mrs May is facing a "donors' revolt" and growing pressure to step down as soon as a trade deal is negotiated with the EU, expected to be in the autumn.

The Sun also reports on senior Tories' criticism of Mrs May's "inaction", alongside a lead story covering model Kelly Brook's criticism of a decision to halt the use of walk-on girls at darts matches.

Meanwhile the Metro reports on claims German Chancellor Angela Merkel mocked Mrs May for dithering over Brexit.

And the outgoing German ambassador to London has told The Guardian that outdated sentiments about Second World War rivalry have fed Euroscepticism, calling Brexit a "tragedy".

Women working at the BBC have received "veiled threats" when asking for equal pay, the Daily Telegraph reports as a review of wages at the broadcaster is handed to MPs.

The Daily Mirror also covers the report, which says one woman was branded as "aggressive" for asking for a pay rise.

A "renegade soldier" is the chief suspect in a series of armed, violent burglaries that are said to have seen £7 million in valuables stolen from mansions in the Home Counties, the Daily Mail reports.

Professor Stephen Hawking and a group of leading healthcare professionals are to challenge Health Secretary Jeremy Hunt in the High Court over plans to restructure the NHS, The Independent reports.

Scientists have unveiled a "brain pacemaker" that could revolutionise the treatment of Alzheimer's by slowing the disease down, the Daily Express reports.

And people in Britain have the worst diet in Europe, raising their risk of suffering heart attacks and strokes, the i reports.

The Financial Times reports on the biggest ever acquisition of a soft drinks company that will see JAB Holdings buy Dr Pepper Snapple for 18.7 billion dollars (£13.39bn).