Linking aid , trade and investment , Beijing 's business model in Africa involves building extensive infrastructure projects and granting loans in exchange for access to natural resources , trade opportunities and expansion into new markets . The group attacks the construction site in a remote area . Sudanese troops are pursuing the group , a source says . Region a Sudan territory but not Sudan and South Sudan 's ethnic , political identity .
The group attacks the construction site in a remote area . Sudanese troops are pursuing the group , a source says . Region a Sudan territory but not Sudan and South Sudan 's ethnic , political identity .