Abuja, February 18 (RHC)-- Two separate bombing attacks in Nigeria's northeastern state of Borno have claimed at least 38 lives while Boko Haram leader has vowed to disrupt the country's upcoming elections.

The first attack was carried out on Tuesday at a checkpoint in Yamarkumi village, near the town of Biu, killing 36 people and injuring 20 others. In another attack some four hours later in neighboring Yobe state's Potiskum, a bomber targeted in a popular chain restaurant, killing the manager and a steward and seriously injuring 13 staff and customers.

In a video on released on Twitter hours after the attacks, Boko Haram's leader Abubakar Shekau threatened the upcoming elections. "This election will not be held even if we are dead." The Takfiri terrorists have already forced a delay in the polls, initially set for February 14th. Nigeria's Independent National Electoral Commission shifted the elections to March 28th while the country's president, Goodluck Jonathan, announced last week that there would be no further postponement of the upcoming votes.