Mumbai, India, has banned domesticated elephants from the city. They say that the hot, crowded, polluted streets are just too cruel for elephants.

For people, though, it's still OK.

Also in India, a gang of rampaging Rhesus Macaque monkeys killed the deputy mayor of New Delhi.

The city is overrun with these monkeys. So New Delhi is using Langur monkeys -- a natural predator -- to get rid of the Rhesus Macaques.

Next: How to rid New Delhi of Langur Monkeys?