Russian officials say the blast was caused by a “homemade explosive device with the power equivalent to 200 grammes of TNT filled with lethal fragments."
More than 80 members of the UN mission, known as MINUSMA, have been killed since 2013 in attacks by militant groups active in the country’s north and center.
Officials called the blast that killed opposition lawmaker Ihor Mosiychuk's bodyguard a deliberate attack.
No one has claimed responsibility for the attack that shook the northeast Kenya, but the Somalia-based al Shaabab militant group is the prime suspect as it has carried out similar attacks in the past.
The fight between the two sides was triggered when Donald Trump's opponents held a counter-rally alongside a "Patriots Day" free-speech rally organised by the US President's supporters in California.
The new threat level will be in place for two months. The move came after a truck ploughed into a crowd in the Swedish capital Stockholm on Friday, killing four people and injuring 15.
The blast took place at a busy vegetable market in the country's northwestern region along the Afghan border.
The attack took place on the same day the first female police chief, of Diyarbakir's Sur district, started duty.
Daesh has claimed responsibility for the blasts, caused by a suicide bomber and a planted explosive device.
Forces loyal to Government of National Accord have been trying to push DAESH from the city for weeks
DAESH terror group claims responsibility for the attacks which targeted Yemeni government troops in the city of Mukalla.
An explosive device planted under an overpass in Istanbul's district of Maltepe injures four people.
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