Several cities across India impose curfews as the country witnesses a sudden spike in Covid cases driven by the Omicron variant, with health experts concerned it could once again overburden India's healthcare system. "India's definitely well on its third wave of Covid," epidemiologist and senior research scholar at Princeton University told AFP. "The only challenge that still remains is really of seeing whether the number of infections is so vast that even a small proportion of these requiring hospitalisation will still stress the system." SOUNDBITES