Mumbai, June 23 -- EURUSD is losing ground under $1.15 mark on Monday as dollar is gaining appetite as a safe haven currency amid surging tensions in the Middle East following US airstrikes on three Iranian nuclear facilities over the weekend. The US reportedly attacked three key Iranian nuclear facilities over the weekend, marking America's official entry into the renewed Israel-Iran conflict. Investors were now watching for how Tehran will respond to the attack. The upside in dollar also stands supported by Fed decision to leave interest rates unchanged last week. The dollar index that measures the greenback against a basket of currencies is up 0.30% at 98.57. The rising tensions boost the safe-haven currency greenback but act as a head...