>> Thousands of Turks are walking to Istanbul from Ankara to demand justice. The march began as a protest against the jailing of an opposition lawmaker. But it's become a wider demonstration against the government's crackdown following last July's failed coup. That's seen tens of thousands of politicians, journalists, and civil servants arrested for suspected links to the coup plotters.
>> I'm Reuters' Emily Wither. Many of the protestors here are wearing T-shirts and holding banners that say adalet, meaning justice. They've been marching now, some for over 20 days. And they're a day or so away from their final destination, Istanbul. And as they get closer towards the city, more and more people are joining them.
>> Turkey's political opposition are deeply divided, but there's a sense here that this march is uniting them. We caught up with one of the lawmakers from the opposition, CHP.>> Tell us a little bit about where you think this is going. Is this the beginning of wider protest?
>> Yes, it's the beginning of definitely a larger thing. A march, per se, doesn't have to happen literally, right? This has to be a march towards democracy. So, if you ask me, it should definitely not end with the large rally we're gonna hold. This rally and the walk that leads up to the rally is only a step towards that democracy.
> Turkish President Tayyip Erdogan accuses the marchers of acting together with terrorist groups. Erdogan remains popular here. Security is high as rumors circulate of counter-protests ahead of Sunday's rally in Istanbul. But marchers say their protest won't end there. This is just the beginning.