LAGOS, June 17 (Reuters) - Nigerian militants responsible for the bombing of oil pipelines and the kidnapping of foreign workers in the Niger Delta said on Tuesday they would not take part in a peace summit called by the government for next month. The Movement for the Emancipation of the Niger Delta (MEND), whose campaign of violent sabotage against Nigeria's oil industry has helped push world oil prices to record highs, said the summit was "bound to fail". "MEND has made its position very clear that it will not be a part of the jamboree called a summit. Unlike other groups that go back and forth to be appeased with bribes, MEND has people with integrity," the group said in an e-mail to Reuters. President Umaru Yar'Adua said on Friday that the long-awaited summit would take place next month. (For full Reuters Africa coverage and to have your say on the top issues, visit: http://africa.reuters.com/ ) (Reporting by Nick Tattersall; Editing by Keith Weir)