Gunmen 'attack Afghan election HQ' in Kabul --- Insurgents have attacked the headquarters of Afghanistan's electoral commission in Kabul, police say. -- Initial reports said the home of candidate Ashraf Ghani had come under fire, but police now say the election HQ is the focus of the attack. -- They say insurgents have gained access to the main compound - it is not clear if there have been casualties. -- It is unclear how many attackers are involved in the assault on the election commission. The Taliban are boycotting the election and have vowed to disrupt the vote. -- Earlier, reports said gunfire and an explosion had been heard at the house of Mr Ghani in the capital. He was not at home, police said. -- Ashraf Ghani is a former finance minister and World Bank official, and a leading candidate in the race succeed Hamid Karzai. -- Mr Ghani is running for election on a ticket with the former Uzbek warlord Abdul Rashid Dostum. -- BBC, http://www.bbc.com/news/world-asia-26727268