A bomb blast aboard a train north of Cairo killed four people, including two policemen, and wounded nine, officials said Thursday, the latest attack by suspected Islamic militants battling the government of Egyptian President Abdel-Fattah el-Sissi.

The blast took place shortly before midnight Wednesday in the Nile Delta, the officials said Also late Wednesday, three people were wounded when a homemade bomb went off aboard a commuter train in the Cairo suburb of al-Marg, said the officials.

And on Thursday morning in Cairo, a woman was slightly wounded when a homemade explosive device went off near one of the city’s presidential facilities, the infrequently used al-Quba palace, the officials said, speaking on condition of anonymity because they were not authorized to talk to media. […]