An international animal charity says a month-old lion cub whose mother had been rescued from a defunct zoo in war-stricken Syria has died. We are really sad to inform you that lion cub Hajar, whose mother Dana we had rescued from an amusement park near Aleppo, passed away today. pic.twitter.com/a4KOgIeee6 — FOUR PAWS USA (@FOURPAWSUSA)…