Three generations of a family died in a horrifying crash just a few kilometres from home when the SUV they were travelling in plunged more than 15m off a highway flyover and into a ravine on the grounds of the Bronx Zoo, killing all seven aboard, including three children.

An out-of-control SUV sped across several lanes of flyover traffic, then plunged more than 50ft into a ravine in the grounds of New York’s Bronx Zoo, killing all seven people aboard, including three children.