chennai fire department personnel struggled for nearly 30 minutes to rescue an 18monthold boy who got locked inside a room in madipakkam on tuesday nightpolice said the baby yuvan son of an it employee from lic nagar in madipakkam was playing inside a room and got locked inside after he pushed the door to close police said that the door had an automatic lock which is unsafe for the children while they are left alone hearing his frantic cries for help his father and mother attempted in vain to open the door they informed the madipakkam police who alerted the velachery fire service personnel after a 30minute struggle firemen rescued the child