BALMARYA – A 2,000-year-old Roman arch of triumph in the ancient city of Palmyra in Syria has been blown up by Isis militants, the country’s antiquities chief has said. Maamoun Abdulkarim told Reuters that local sources had confirmed that the arch had been virtually destroyed. Khaled Al Homsi, an archaeologist and human rights activist from Palmyra, tweeted a photograph of the monument before it was blown up, indicating that the main central arch and two supporting ones on either side were now gone. Isis blows up the #Triumphal Arch at entrance to colonnade today, he wrote (independent.co.uk)…[+]