Islamic State 'targeted by strikes on Syria border'.

Images from around Kobane have shown suspected IS militants firing on the town in recent days.

Islamic State fighters besieging the Syrian town of Kobane on the Turkish border have been targeted by air strikes, reports from the area say.

Warplanes circled through Friday night and explosions were heard in the early hours, the BBC's Paul Wood says.

Kurdish fighters have been defending the town from an advance by Islamic State militants.
There has been no word from the US-led coalition on whether it carried out air strikes in the area.
Kobane has become a flashpoint over the past week, as an estimated 140,000 civilians have fled the town and surrounding area.
Those displaced Kurds have crossed the nearby border with Turkey.

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Mark Lowen joined villagers on the Turkey-Syria border watching the fight against IS on Friday

The situation has been tense, with Turkish troops trying to prevent Turkish and Syrian Kurds crossing the border to help defend the town.
Overnight, the head of the US armed forces said air strikes in Syria were damaging the jihadist group, but said air power alone was not enough to defeat the militants.

At the scene: Paul Wood near the Turkey-Syria border

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The BBC's Paul Wood is one of the first western journalists to gain access to Kobane

The sound of warplanes circling overhead is nearly constant. And in the early hours of the morning people heard what they said were multiple air strikes against Islamic State positions.
Not before time, say the Kurdish forces defending this place. They are in the fight of their lives, with the jihadis now just a 10-minute drive from the town, and threatening to push further.
At the last Kurdish position outside Kobane last night bullets whined overhead and shells fell either side of the main road to the town.
The Kurds are grateful for the air strikes, but the battle for Kobane is far from over.

Coalition growing On Friday the UK became the latest nation to join the US-led coalition against IS, which controls large swathes of Syria and Iraq after rapid advances in the summer.
MPs voted overwhelmingly in favour of air strikes in Iraq, but not in Syria.
Six RAF Tornados could be called into action over the weekend, with a Rivet Joint spy plane also in the region.
UK Defence Secretary Michael Fallon said "intensified surveillance" would identify "convoys" of IS fighters.
Speaking to BBC's Newsnight, he warned the campaign would be "long and drawn out".
French fighter jets are already taking part in strikes in Iraq with Belgium and the Netherlands each pledging six F-16s planes and Denmark deploying seven.
About 40 countries, including several from the Middle East, have joined the US-led coalition against IS.
European countries have so far only agreed to strike targets in Iraq where the government has asked for help.
But US aircraft have also attacked IS targets in eastern Syria, including oil installations.
Several US Arab allies - Bahrain, Jordan, Qatar, Saudi Arabia and the UAE - have "participated in or supported" the strikes.

Who are Islamic State (IS)?

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In 60 seconds: What does Islamic State want?

• Formed out of al-Qaeda in Iraq (AQI) in 2013, IS first captured Raqqa in eastern Syria
• It captured broad swathes of Iraq in June, including Mosul, and declared a "caliphate" in areas it controls in Syria and Iraq
• Pursuing an extreme form of Sunni Islam, IS has persecuted non-Muslims such as Yazidis and Christians, as well as Shia Muslims, whom it regards as heretics
• Known for its brutal tactics, including beheadings of soldiers, Western journalists and aid workers
• The CIA says the group could have as many as 31,000 fighters in Iraq and Syria.
• bbc.