Israel fired missiles toward Syria’s central province of Homs on Sunday evening, targeting an airbase and positions of Iran-backed fighters, an opposition war monitor reported. The Syrian Observatory for Human Rights, which is based in the UK, said strong explosions were heard when four Israeli missiles hit the Shayrat airbase in Homs province. It said the missile attack targeted the positions of Iran-backed fighters in the area. Official Syrian regime news agency SANA said air defences were responding to “hostile targets” over Homs province, adding that some missiles were shot down. It gave n…