Images of Internet and social media outreaches  during the epic floods around Chennai  this week. Clockwise from top  left:

• TogetherChennai and ad hoc site to bring sufferers and helpers together"
• Volunteers at Bangalore for Chennai pack power banks  for despatch
• Zomato offered to send one free meal for eveery one ordered by people in the rest of India
• Google and ChennaiRains.org map the developing  flood scenario

See our main story where these initiatives are described
December 4 2015