Three people, including a baby and a 4-year-old boy, were left clinging to life when a fire tore through their Brooklyn apartment building Wednesday.

Three people, including a baby and a 4-year-old boy, were left clinging to life when a fire tore through their Brooklyn apartment building Wednesday morning, FDNY officials said. The blaze broke out inside a second-floor apartment in the seven-story building on Bay 19th St.