Two are dead and four injured after a teenage boy used his parents' gun to attack fellow students.
A row is brewing over plans to use reconstituted food from leftovers near expiry to feed poor kids.
Eighteen socialist governors are sworn in but five opposition governors boycott the event.
The charges against Carlos Nuzman follow an investigation into a payment of $2m to secure votes.
President Temer denies any wrongdoing, but he still faces a vote by all members of the lower house.
Argentina's political parties suspend election campaigning as experts work to identify the body.
Deforestation is down compared to last year but still higher than in 2012, when it was at its lowest.
Ex-governor César Duarte is suspected of stealing 900 cows bought for drought-hit farmers.
Jamaica has joined a number of other small island developing states in accessing financing from the Green Climate Fund (GCF) to assist with...