Six migrants, including infant, die in boat collision off Lesvos

• Six migrants, including an infant, died after a boat collision off Lesvos.
• The collision involved a speedboat carrying people from Turkey and a Greek coast guard vessel.
• The incident occurred early on Monday, according to Greek authorities.
• The Greek government has vowed "zero tolerance" towards migrant smugglers.
• The speedboat overturned following the collision.