Lyon's ruled out from ashes 23

 Australian cricket fans are anxiously awaiting news about Nathan Lyon's injury. The champion off-spinner suffered a right calf problem during a recent match, and early indications suggest that he could be sidelined for a while. Lyon's involvement in the ongoing contest is in serious doubt, and it is highly likely that he will undergo scans to assess the extent of the damage to his calf. "Steve Smith, a fellow teammate, expressed concern and acknowledged that Lyon's absence would be a significant loss for the team. "Lyon was particularly eager to participate in his 100th consecutive Test match, making the potential injury even more disappointing. The exact condition of Lyon's injury is yet to be confirmed, but initial observations indicate that it doesn't look promising

After last medical test , he has been ruled out from ongoing series 

Official update:Update