With harrowing testimony from one community in Syria, one of the many shattered by the conflict, which started a decade ago this week, tens of thousands have taken to the streets calling for change.

The government tried to crush the protests and the country descended into civil war.

The United Nations estimates more than 250,000 people have died in Syria's conflict, although the true number could be much higher than that.

At least 6.2 million Syrians have been forced from their homes.

Another 5.7 million have left the country.

And today, a decade on after all the bloodshed, President Bashar al Assad is still in power In Aleppo.

In 2013 Lycra school was bombed by a fighter jet.

Some Children were killed instantly.

Others died of their injuries in the days and weeks that followed.

A BBC Panorama team were filming nearby when the attack happened.

Cameramen Darren Conway has returned to Aleppo to meet survivors and relatives of those who died, and Darren's powerful report has scenes of terrible injury and suffering.

Anniversaries are all about memories, but for Roma they're full of pain.

Mohammed Assi scars act as a constant reminder and see him.

Gambari will always be remembered by her father, Omar Mohammed, and see harm.

All went to school in the Aleppo countryside on the 26th of August 2013.

The Syrian regime dropped an incendiary bomb on their school courtyard.

11 were killed.

Many more were left with horrific birds.

Nearby was a Children's hospital.

I was there filming for the BBC that day when the injured with clothes and skin hanging off them, started to arrive.

Omar received burns to 65% of his body and has had 25 operations so far.

He is never without the discomfort of his injuries or the pain of his loss.

Here is Omar arriving at the hospital.

He was 17 and this is his younger brother, Mohammed.

He's 15.

I had a bad lockdowns in.

There will be more sorry to bother.

Way listened to Feeny, who will say sayonara.

Uh, no.

No.

Marco is what is African?

Uh, little brush with a terrific tackle?

Oh, no.

That Now This is Omar's last memory of his little brother.

The shot that I filmed of them walking into the hospital together.

Mohammed Mr died eight days later.

Omar has left Syria and is trying to move on with his life.

But what are these classmates left behind?

This is Mohammed Assi Had an hour or so He suffered 85% burns.

Zenit Malaga feeling Mohamed lives in Idlib.

But he dreams of leaving Syria too, so that he can pursue the career that he craves and get the surgery that he desperately needs.

It should be short enough so that he had a heart.

Keith.

Enough.

Oh Cramer, who lost their lives here.

They want to clap clap behind this to creditor.

He followed her to the heart.

Why don't you say what 4 23 year old Mohammed?

The future is not bright.

These are that's all, man.

My window convertibility so to use.

And it's only a mother of adults.

Very material to shover.

What?

The stock market here.

In a decade of conflict, almost 25,000 Children have been killed and thousands of schools destroyed.

The Syrian regime denies targeting civilians muscles like read one.

Kambara is determined to make sure that Jardin Jawad get the education that they deserve.

But imagine how hard it is for him to send his sons to school when this happened to his daughter.

Okay.

See him was sat in her maths class in school and the blast ripped through the window shoes and bring a lot.

Fellow see, Homs injuries were so severe that she was rushed to hospital in Turkey.

Her body was broken, her voice was weak.

But her message to the world that day was strong, who know?

No, no.

The final story is so see him died one month after begging the world to stop the suffering in Syria.

That was almost eight years ago.

Now, Yeah, no one knows the risks of sending their Children to school here.

More than C hams.

Father Kara Ramadi.

Yeah, Madonna, Sharon, William Castle Moat will read a kid not to show your child when have them is warm.

The grief and the loss in Aleppo.