* Second attack this month
* Attack comes as Kenya, Somali forces launch attack in south (Adds details, background)
MOGADISHU, Oct 18 (Reuters) - A suicide car bomb exploded near a building housing government ministries in Mogadishu on Tuesday, a police officer said, the second such attack in the capital this month.
"A suicide car bomber blew up in front of a building that houses the ministry of foreign affairs and the planning ministry," Somali police officer Mohamed Adam told Reuters.
Reporting by Mohamed Ahmed; Writing by Yara Bayoumy; Editing by Richard Lough