Unexpected elements is all about finding the surprising science angles to everyday news.

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That's Unexpected Elements from the BBC World Service.

Find it wherever you get your BBC podcasts.

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

I'm Nick Miles and in the early hours of Sunday, the 3rd of September, these are our main stories.

Israeli police have opened an internal investigation into the use of live fire when they try to break up clashes in Tel Aviv

between rival groups of Eritrean asylum seekers nearly 150 people were injured.

Iehaw Kolomoysky, one of Ukraine's richest men who was earlier named a suspect in a fraud and money laundering investigation,

has been ordered to remain in custody for two months.

The Nobel Foundation has cancelled its invitation to the Russian ambassador for this year's prize ceremonies after widespread criticism.

Also in this podcast, we bring you some tropical rock.

We pay tribute to the American singer-songwriter Jimmy Buffett that just died aged 76.

We begin in Israel, where there were widespread clashes in Tel Aviv on Saturday nearly 150 people were injured,

including some police officers when there were violent confrontations between rival groups of Eritrean asylum seekers.

Hundreds of protesters had broken through security barriers at the Eritrean embassy to stop a government-sponsored cultural event they'd earlier asked the Israeli authorities to cancel.

Police in Israel have now opened an investigation into the use of live fire by officers during the clashes.

Our correspondent in Israel, Yolanda Nell, told me more about the extent of the trouble.

This is really something that seems to have caught the authorities in Israel very much by surprise.

Really, what happened is that activists opposed to the Eritrean government say that they were asking the authorities to cancel an embassy event,

an event organized by the Eritrean embassy that was scheduled for a Saturday afternoon.

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