Several rockets were launched Thursday against a base hosting troops from the US-led coalition in Iraq, security officials said. “Four rockets fell in the vicinity” of Ain al-Assad base in Anbar province, an Iraqi security source said. Another security official said an attack occurred with “a drone and three rockets” that fell close to the base perimeter. A US official said initial reports indicated that projectiles landed outside the base without causing injuries or damage to the base. All sources spoke on condition of anonymity because they are not authorised to speak to the media. There was…