Attacks in crowded market place on Friday
* Bombers not yet identified
* Defence minister says 4 dead, 26 wounded
(Adds minister comment, Obama)
By Felix Onuah
ABUJA, Jan 1 (Reuters) - Nigerian President
Goodluck Jonathan vowed on Saturday to catch those behind a New Year's
Eve bombing that killed at least four people, part of a wave of violence
testing his grip weeks before a presidential primary.
There has been no claim of responsibility
for the attack and the president said the perpetrators had not yet been
"The security people are on it.