More than 200 people were killed and at least 450 injured in bomb blasts that ripped through churches and luxury hotels in Sri Lanka on Easter Sunday, the first major attack on the Indian Ocean island since the end of a civil war 10 years ago.

Twin explosions in the bustling centre of the rebel-held northwestern Syrian city of Idlib on Monday killed at least 15 people and injured scores, medics and witnesses said.

The blasts exploded among spectators crowded into the stadium at around 11pm on Friday evening as they watched the local "Ramadan Cup".

An aviation red alert means a volcanic eruption is under way that could spew ash along aircraft routes, the US Geological Survey (USGS) says on its website.

Indonesia, the world's largest Muslim-majority country, has seen a recent resurgence in homegrown militancy inspired in part by Islamic State.

Twin explosions in the centre of the Afghan capital of Kabul wounded at least three people on Wednesday, officials said, amid there were conflicting reports about the cause of the blast.

At least two people were killed and ten others were injured in separate incidents in Afghanistan's capital Kabul and the eastern province of Nangarhar ...

Ukrainian authorities evacuated more than 30,000 people on Wednesday from the central Vinnytsya region after a huge arms depot caught fire and set off explosions in what prosecutors said was a possible act of "sabotage".

The chemical plant makes compounds with many commercial uses, including plastics, pharmaceuticals and construction materials -- compounds that can combust if not cooled to the proper temperatures.

Iraqi forces still faced pockets of resistance from Islamic State in Mosul's Old City on Friday, four days after the prime minister declared victory.

Explosions damaged a car near a post office in central Rome on Friday, Italian media reported, although nobody appeared to have been injured in the blast.

German police investigated a possible Islamist link to three explosions that rocked the Borussia Dortmund football team bus as the club vowed on Wednesday it won't give in to "terror".