This is a download from the BBC. It's from our own correspondent.

We make one version of the programme for the BBC World Service,

but this is the latest edition broadcast on BBC Radio 4. It's introduced by Kate Ade.

Hello, today the old neighbourhood in Istanbul set to become a battleground in Sunday's Turkish election.

The authorities move against religious extremism in a Spanish city where Muslims and Christians

have lived side by side for centuries. Do you warm the pot and you use boiling water?

We take the train to Darjeeling to get the answers from a tea expert, and we learn how the

key to peace in troubled Northeast Asia may lie in the bedroom.

There's a general election in Turkey on Sunday, and the Ak Party of President Erdogan is looking rather anxiously at some new kids on the block,

the HDP, the People's Democratic Party.

The roots of and most support for the HDP are Kurdish, but in recent times it's broadened out, becoming

a powerful voice of the Turkish left.

It has charismatic leaders, male and female and many women candidates. It's promoting gender equality is

fielding Turkey's first openly gay candidate and is championing green issues.

But for many voters the key issue is the president himself and his plans for a new

turkey. Given a sufficient mandate Mr Erdogan will redraft the Constitution. His

critics say this could be the country's final election

before a dictatorship. Maria Margaronis has been to one part of Istanbul

likely to have a major influence on Sunday's vote.

Taneer sits in front of his tall peeling house, perched on a low stool.

A spindly rose tree in a pot asks a thorny stem between us, set out to catch the warmth of the afternoon sun.

He might have been sitting here for decades, looking down the narrow street into the heart of

...