“I have repeatedly said nobody’s political ambition is worth the blood of any citizen, in any part of the world,” former president Jonathan wrote in a Facebook post.
The deranged presidential spokesman has become infamous for making controversial statements.
Mr. Shehu, who is known to make false claims, did not give a date or where the president was going when the purported incident happened.
The Nigerian leader celebrates his 78 birthday on Thursday.
The former president enjoined Nigerians to support government in achieving peace.
