Indian taxi drivers and owners shout slogans against Delhi's Chief Minister Arvind Kejriwal during a protest in New Delhi on May 4, 2016, against the banning of diesel cabs on the roads in the Indian capital. Hundreds of taxi drivers and owners took to the streets of New Delhi to protest a court order banning diesel cabs from plying the roads of the world's most polluted capital. The ban would impact some 27,000 diesel taxis registered in Delhi, including app-based cab operators Ola and Uber. / AFP / PRAKASH