Lebanese army soldiers flash victory signs while riding on armoured carriers and military vehicles as they advance towards the Sunni Muslim border town of Arsal, in eastern Bekaa Valley as part of reinforcements August 6, 2014 (Photo: Reuters)

Lebanese soldiers and Red Cross members inspect a car wreck in Tripoli August 6, 2014 (Photo: Reuters)

Lebanese Red Cross personnel inspect a car wreck in Tripoli August 6, 2014 (Photo: Reuters)

Lebanese soldiers and residents inspect a car wreck in Tripoli August 6, 2014. A bomb exploded in the Lebanese city of Tripoli on Wednesday, killing one person and wounding seven others, security sources said. It was not immediately clear what had been targeted.Ambulances were seen rushing to the area of the blast, which was cordoned off by the military.Tensions have flared in Tripoli, a predominantly Sunni Muslim city, in recent days as a result of clashes between the army and Islamist militants in the border town of Arsal, which is also predominantly Sunni. Earlier, unidentified gunmen opened fire on soldiers in Tripoli when they removed a roadblock being set up in protest at the army's operations in Arsal. Picture taken August 6, 2014 (Photo: Reuters)

Relatives and Lebanese Army soldiers carry the coffin of Adjutant Ali Mohammed al-Kik, who was killed during clashes between Lebanese Army soldiers and Islamist militants in Arsal, mourn during his funeral in the town of Rayhan Valley, in Akkar August 6, 2014 (Photo: Reuters)

The mother of Lebanese Army Lieutenant Colonel Dany Harb, who was killed during fighting between Lebanese army soldiers and Islamist militants in Arsal, mourns at his coffin during his funeral in Beirut August 6, 2014 (Photo: Reuters)

The grandmother of Lebanese Army Lieutenant Colonel Dany Harb, who was killed during fighting between Lebanese army soldiers and Islamist militants in Arsal, mourns at his coffin during his funeral in Beirut August 6, 2014 (Photo: Reuters)

The widow of Lebanese Army Lieutenant Colonel Dany Harb, who was killed during fighting between Lebanese army soldiers and Islamist militants in Arsal, mourns during his funeral in Beirut August 6, 2014 (Photo: Reuters)

Relatives and the widow (C) of Lebanese Army Adjutant Ali Mohammed al-Kik, who was killed during clashes between Lebanese Army soldiers and Islamist militants in Arsal, mourn during his funeral in the town of Rayhan Valley, in Akkar August 6, 2014 (Photo: Reuters)

Relatives and the widow (C) of Lebanese Army Adjutant Ali Mohammed al-Kik, who was killed during clashes between Lebanese Army soldiers and Islamist militants in Arsal, mourn during his funeral in the town of Rayhan Valley, in Akkar August 6, 2014 (Photo: Reuters)