SAN FRANCISCO (AP) — People in some parts of San Francisco are voting on a new state legislative Assemblymember in a special election Tuesday.

The top contenders to replace Democrat David Chiu are current San Francisco Board of Supervisor Matt Haney and former Supervisor David Campos. Illicit drug abuse, homelessness and a lack of unaffordable housing dog Assembly District 17, which covers the eastern part of San Francisco.

The seat opened up as a result of a federal public corruption scandal in the city.

Political watchers doubt any candidate will get a majority in Tuesday's election, leading to a runoff race in April.