Mogadishu, Somalia - President Hassan Sheikh Mohamud has no doubt about who is to blame for the suffering from the latest drought to hit the Horn of Africa country.

"Al-Shabab have restricted the movement of goods and people so people are isolated and cannot receive aid or even the normal trade," President Mohamud told Al Jazeera in an exclusive interview. "The routes are blocked. So that created [the conditions] for people to go hungry.

"But that is not going to stop us. The interior ministry today sent a food convoy to the Gedo and Bakool regions of the country - with a security escort. The issue of drought is a very serious one."