A bomb blast outside the security headquarters in one of Egypt’s Nile Delta cities has wounded 19 people, raising fears of deteriorating security after president Mohammed Morsi’s removal.

A group of protestors has set fire to the campaign headquarters of one of the two Egyptian presidential politicians facing each other in a run-off that will decide a new leader after last year’s popular uprising.

A group of Egyptian fishermen who were kidnapped by pirates off the Somali coast four months ago and managed to overpower their captors sailed home to a hero's welcome today, but some details of their dramatic escape remained a mystery.