Detailed Instructions: In this task, you are given an article. Your task is to summarize the article in a sentence.
Q: They were among five men arrested over the attack in the Victoria Street area of the town on Saturday, 18 May.
Officers had responded to a call reporting an unexploded device but, as they searched, a second bomb exploded.
Three men aged 31, 36 and 46, who were arrested on Thursday were all released unconditionally on Friday night.
A:
Two men, aged 28 and 46, who were arrested over a bomb explosion in Lurgan, County Armagh, last weekend have been released unconditionally.