A child's first birthday celebrations have ended in tragedy after a fight broke out and led to the deaths of two family members. Emergency services were called to reports of an altercation at a home in Clyde North, in Melbourne's outer southeast, at 9.30pm on Thursday 16th January. Two men, aged 23 and 54 from Seaford, were found with stab wounds and treated by paramedics but both died at the scene. Investigators would like to speak with guests who left the scene before police arrived. Anyone with information is urged to contact Crime Stoppers 1800 333 000.