It’s primary day in 21 cities and towns. The polls opened at 6 a.m. and they will be open until 8 p.m. and you must be registered as a Democrat or Republican to take part and vote. These are the towns that have primaries on Tuesday: Lauren Doninger voted on Tuesday morning in Hamden,

News 8 is your local election headquarters, and voting took place Tuesday in 21 communities across Connecticut.

There are Democratic primary elections in 11 towns and cities, and Republican primary contests in 10 other municipalities.

Turnout for municipal primaries are typically low, though Republicans voted in greater numbers than  did Democrats on Tuesday.

Tuesday will mark Election Day in Connecticut, where primary elections are generally considered "closed" elections. This means that only registered members of a political party are eligible to vote in their party's primary.

Connecticut residents registered as a Democrat or a Republican can vote in their party's local municipal Primary election.

Perhaps the most contested race was in Hamden, where five Democrats were seeking the mayoral spot for mayor, after incumbent mayor Lauren Garrett chose not to seek re-election.

For the next few days, Connecticut residents registered as a Democrat or a Republican can vote in their party's local municipal primary election before Primary Day.

State election regulators are considering an expansion of the ways that campaign contributions can go to candidates by allowing supporters to use their digital wallets and payment platforms, including Apple Pay, Google Pay, Samsung Pay and Amazon Pay.