The 249 meter long, 113357 dwt tanker Kyeema Spirit went aground on Aegna Island near Tallinn, Estonia.  The tanker suffered damage including a hole in a bilge tank.   No reports of injuries or pollution released.   The Kyeema Spirit was headed to Tallinn in ballast.   Three tugs were dispatched to the scene and pulled the tanker free.   A pollution prevention vessel was also on scene monitoring the situation.   Reports state the port authorities warned the tanker several times before it ran aground.  Officials have launched an investigation into the incident.