This is the Global News Podcast from the BBC World Service.

I'm Janet Jalil and at 14 hours GMT on Friday the 29th of March,

these are our main stories.

The authorities in South Africa say rescue workers have so far retrieved 20 bodies from the

sight of a bus crash in which 45 people died. Syria has blamed Israel for airstrikes near the city of Aleppo, which are reported to have killed dozens of people.

The Chinese technology firm Huawei says its profits more than doubled last year despite US sanctions.

Also in this podcast,

This has been one of the most exciting developments in cancer treatment in the last few years that our ability to kind

of retrain our immune system to remove damaged cells would be giving the drugs before any tumors arise.

How immunotherapy drugs could be an alternative to surgery for those with the breast cancer gene.

Police in South Africa are investigating why a bus plunged off an elevated section of road into a ravine,

bursting into flames and killing 45 people. An 8 year old girl is thought to be the sole survivor. She's in hospital

with serious injuries. The passengers who'd set off from Botswana were traveling to an

Easter church service. I got more details from our

correspondent Chingai and Yoko. What the transport minister said is that this

accident happened at 11 a.m. on Thursday, so it was in broad daylight there was no oncoming traffic.

This bus crashed into a ravine about 50 meters below the bridge and so it's

really been difficult to access the scene of the accident, the crash site,

to retrieve some of those bodies. It's a relatively large operation with sniffer dogs and we understand that

crane might be brought in to try to lift this bus up to try to recover some more of those victims.

Yes and it seems that nearly everyone on board died apart from this one little girl. Yes and it's quite an amazing story.

The reason why she survived they say is because she was flung out of the vehicle.

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