India, July 14 -- US President Donald Trump has signalled that Iran's Pickaxe Mountain nuclear facility could face future American military action, while reaffirming that Washington will not allow Tehran to develop nuclear weapons. Despite escalating tensions, Trump said a diplomatic agreement with Iran remains possible. Key Highlights Trump says Pickaxe Mountain remains a potential US military target. US continues close surveillance of Iran's nuclear programme. President accuses Iran of repeatedly violating agreements. Trump says diplomacy with Tehran is still possible despite tensions. Trump has indicated that the United States could carry out another military strike on an Iranian nuclear facility, identifying Pickaxe Mountain as a pos...