Organisers of the New Year's Eve protest "Turun Harga Minyak, Turun Najib" (Bring down fuel prices, bring down Najib) have cried sabotage after their mobile phone numbers were allegedly hacked by unknown parties.

Secretariat member Ahmad Syukri Che Ab Razab told Malaysiakini their numbers were used to send text messages containing "threats and profanities" to unknown numbers.

"Since yesterday afternoon, we were inundated with calls and messages from unknown numbers.

"When we asked them; they said they received a message from our numbers containing a threat and profanities. But we did not send the message," he said when contacted...