The race to pick a Democratic candidate to face US President Donald Trump has got off to a disastrous start.
Results from the Iowa caucuses has been delayed due to "inconsistencies".
The Iowa Democratic Party stressed there was not a "hack or intrusion" and added it expected to "have numbers to report later today [Tuesday]".
Voting had undertaken in more than 1,600 schools, libraries and churches on Monday.


US, India agree on trade deal and lower tariffs, says Trump
Israel reopens Gaza's Rafah border crossing to Egypt, with limits
US envoy Witkoff to visit Israel, meet Netanyahu, Israeli officials say
Russian drone strike kills 12 miners in Ukraine
Singapore to launch space agency in response to global investment surge