A bombing near Egypt's presidential palace in Cairo wounded one passerby early Thursday in the latest of a deadly trio of attacks in and around the capital overnight that killed at least three people and wounded more than a dozen
The worst explosion was on a train late Wednesday in Menufia governorate, north of Cairo, that killed two police officers and a civilian. At least 11 others were wounded.
State media Al Ahram reported the death toll could climb.
A blast at a the Al-Marj metro station in eastern Cairo also wounded three people on Wednesday.
Egypt is facing a restive Islamist insurgency and regular bombings around the country since the July 2013 military ouster of elected President Mohamed Morsi.
No attackers have been identified yet in the bombings.