Analyst Aly Verjee says that under the new constitution, votes do not have to be "valid" to be counted as "cast" - unlike under previous rules.

BBC: Q&A: Kenya's vote count

But under new rules introduced by the previous Labour government, parish (or community) councils can be set up in the city with the support of 10% of local electors and the approval of the relevant borough (which has few legal grounds to deny the request).

ECONOMIST: London might be about to embrace a rural way of governing

Under the rules, those unable to walk more than 20m would qualify, rather than the previous distance of 50m.

BBC: Walking stick