Four persons, including policeman, injured in armed attacks in Baghdad.

BAGHDAD / IraqiNews.com: Four persons have been injured, including a policeman, in an armed attack and explosive charges blasts in northern and central Baghdad , a security source said on Saturday.   “A group of unknown armed men have attacked a Federal Police patrol in northern Baghdad ’s Kadhimiya district, wounding a policeman and escaping to   an unknown destination,” the security source told IraqiNews.com news agency.   He said that an explosive charge blew off close to a petrol filling station in central Baghdad ’s Karrada district, targeted against a motorcade of Director-General of Iraq ’s Ministry of Higher Education & Scientific Research, wounding 3 civilians and damaging 2 cars.   SKH (PT)   626