The prime minister walked into the studio while the anchors, notified only a short while before, were presenting the evening news.
"We will remain vigilant... until it is finally defeated wherever it operates," Trump said in a statement.
Police say the assault began when two explosions were set off near the ministries of public works and labour.
"At least 50 Fulani civilians have been killed Saturday in the village of Ogossagou by traditional hunters," a security source told AFP.
Ezzati, archbishop of Santiago, is the seventh senior Chilean church official to resign over a scandal which the pope insists must be remedied.
State parliamentary elections were also taking place across the country.
Attacks that use a combination of bombs and gunmen have become a hallmark of the insurgents
The government estimates that around one million people have been affected by the storm
Any further delay would likely prompt further calls for another referendum as the only way out of the impasse
Critics say the Kremlin is ramping up a crackdown on dissenters to counter a fall in Putin's approval rating
Sign up to receive our free newsletter