A suicide bomber has attacked the Saudi city of Medina, close to the Prophet's Mosque, one of Islam's holiest sites, according to local media reports.

The bomber detonated his device as security officers were breaking their Ramadan fast, al-Arabiya TV said.

News outlets said at least two of the officers had been killed, but there has been no official confirmation.

The mosque is the burial place of the Prophet Muhammad and Medina the second-holiest city in Islam after Mecca.

State-linked Sabq news and the Okaz newspaper also carried reports of the suicide attack.

Earlier, at least one explosion rocked the eastern city of Qatif.

Qatif is home to many minority Shia Muslims and the blast appeared to target a Shia mosque. The attacker was killed but no other casualties were reported.

A suspected suicide bomber also died after detonating a device near the US consulate in the city of Jeddah. Two security officers were slightly injured as they tackled the man, but no-one else was hurt.

Sebuah bom telah meledak di Kota Saudi arabia--Madinah, dekat dengan lokasi masjid nabawi, satu dari sekian masjid tersuci di agama Islam, dilaporkan oleh media lokal.

Pengebom meledakkannya di pusat keamanan setempat saat waktu berbuka (Adzan Maghrib dikumandangkan), Konfirmasi TV Al-arabiya

Berita terbaru mengkonfirmasi bahwa dua dari staff kemanan telah terbunuh di kejadian tersebut, tetapi belum ada konfirmasi resmi dari pihak terkait

Berita ini juga disebar di media lokal bernama Sabq news dan koran Okaz.

Sebelumnya, sebuah ledakan terjadi di kota bagian timur Saudi--Qatif.

Qatuf adalah tempat tinggal mayoritas kaum Shia/Syiah (Minoritas), dan ledakannya ditargetkan ke masjid Shiah di kota Qatif tersebut. Pengebom terbunuh tetapi belum ada kabar mengenai jumlah korban atau ada tidaknya.