On May 3, London, England, again used Instant Runoff Voting to choose a Mayor. Here are the results. In the first round, no one had more than 44%, but the Conservative nominee, Boris Johnson, obtained a majority in the second round of counting. The Green Party nominee placed third in the first count.
For London Assembly, 25 members are elected. Fourteen are elected from single-member districts, and eleven at-large. The eleven at-large seats use proportional representation. Four parties won seats in the Assembly: Labour 12, Conservative 9, Green 2, Liberal Democrat 2. See here. Thanks to Thomas Jones for the links.