Later in the day, the Houthi's announced the death of 1 soldier due to airstrikes on the local police station in Al Bayda, Yemen. On 30 April airstrikes hit five provinces. New airstrikes hit SIA, completely halting aid deliveries. On 6 May coalition airstrikes targeted the Police Training Center in the Dhamar Governorate, damaging nearby houses meanwhile the civil aviation authority announced it would re-open the airport to receive aid. Coalition airstrikes targeted the houses of Saleh in Sanaʽa in the early hours of 10 May, eyewitnesses said. Khabar, a Yemeni news agency allied with Saleh said that the former president and his family were unharmed. The Moroccan government said on 10 May that one of its General Dynamics F-16 Fighting Falcon aircraft taking part in the air campaign went missing in action over Yemen, along with its pilot. The Houthis claimed responsibility, with Yemeni state TV broadcasting a report on the jet being downed by tribal militias over the Sa'dah Governorate and showing images of the wreckage. On 18 May Saudi-led airstrikes reportedly resumed on Houthi positions after a humanitarian ceasefire expired late on Sunday. Three coalition airstrikes hit Sa'ada on Monday. Yemen's exiled Foreign Minister Riyadh Yassin blamed the rebel group for the renewal of hostilities. Al-Arabiya said Saudi forces shelled Houthi outposts along Yemen's northern border after the fighters fired mortars at a Saudi army post in Najran province. On 23 May OCHA reported that airstrikes continued in the northern governorates of Sa'ada (Baqim, Haydan, Saqayn and As Safra) and Hajjah (Abs, Hayran, Haradh, Huth, Kuhlan Affar and Sahar districts). The road connecting Haradh and Huth districts was reportedly hit. Airstrikes were also reported in Al Jawf Governorate (Bart Al Anan district). On 27 May airstrikes hit a police station in the capital, Sanaʽa, killing 45 officers. The Houthi-controlled Ministry of Health announced that in total, 96 people were killed. On 3 June the residence of a Houthi leader in Ibb province was hit by an airstrike, according to eyewitnesses. On 12 June Saudi jets bombed the UNESCO World Heritage Site of Sanaʽa Old City, killing at least six people and destroying some of the ancient buildings. UNESCO Director General Irina Bokova said in a statement that she is "profoundly distressed by the loss of human lives as well as by damage inflicted on one of the world's oldest jewels of Islamic urban landscape".