His party, Fatah, has called the blast an assassination attempt by political rival Hamas.
The explosion left at least 25 people injured, including U.S. tourists.
The anti-missile system is part of the capital's Cold War-era line of defense, which has 68 nuclear tipped rockets ready to blast incoming strikes from the sky.
Get that man a Darwin Award.
The gas rig was much larger than an oil rig.
Eight people were injured in the incident in Zurich, Switzerland.
The Islamic State militant group, or ISIS, claimed responsibility for a series of explosions in the Afghan capital of Kabul that left at least 41 dead and 84 wounded on Thursday, according to reports.
"If there is a threat to the life and wellbeing of our employees...liquidate the bandits," the president said.
He strapped a low-tech device to his body using zip ties and Velcro, police said.
"No one was injured and all safety protocols were followed during the time of this incident," read a statement. "We are now conducting a thorough and fully transparent investigation of the root cause."
A 21-year-old man was arrested Saturday evening in Hounslow, west London.
"I never think it's helpful for anyone to speculate," Prime Minister Theresa May said.
The president was quick to condemn the attack on a London subway train.
Passengers post images of a bucket as the suspected cause of the blast after a reported fireball in west London.
It's set to extremely peppy, Sousa-esque march music.
A 1.5 mile zone around the plant has been evacuated.
The tanker overturned on a sharp bend on a highway and exploded in a huge fireball about 45 minutes later.
No one was injured in the explosion which occurred around midnight, but Kiev has added more police to guard the embassy.
The U.S. Department of Homeland Security issued a statement following the explosion in Manchester, England.