It appears that Cogeco's IP was used to send more than 7000 votes through a poll all in 1 second. A team is assembled to investigate this in the meantime, I would block access to Cogeco for safety sake.
185.232.52.132
123.227.118.214
66.207.212.182
Enter iP
168.151.215.88
184.164.137.148
..
167.62.140.139
50.19.113.85
3.76.65.95
124.171.239.47
74.102.208.130
96.20.77.116
192.101.66.1
196.191.221.216
102.244.74.55
35.239.103.236
24.97.13.18
188.132.176.45