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You're listening to NewsHour, direct from the BBC World Service in London.
I'm Gary O'Donoghue.
We begin the programme in Afghanistan,
where rescuers are attempting to get to a remote part of the north-east of the country where an earthquake hit late on Sunday.
The epicentre was in the Kunar province,
a mountainous and hard-to-get-to rural area bordering Pakistan.
The most up-to-date figures we have suggest more than 800 people have died,
with thousands being injured.
landslides have also destroyed buildings and villages in the area.
For the latest, I'm joined by the BBC's Azadeh Moshiri,
who's following events from neighbouring Pakistan.
Azadeh, tell us what the latest issue have.
Well, it's been very difficult to get information out of that area,
given how remote Kunar province is.
That's where most casualties are being reported from so far.
But we do now have this update from the UN's humanitarian agency,
which says their preliminary reporting suggests at least 800 people have died across four provinces.
They've also said that at least 2,000 people are estimated to be injured, and many of them,
and this is the challenge,