Andreas Krieg says that US plans to deploy 2,500 marines to the Gulf is unlikely to reopen the Strait of Hormuz.
Afghan officials say a Pakistani air strike has killed hundreds of people at a drug rehabilitation centre.
Police deploy explosives' clearance teams to three sites following suspected suicide attacks in the northeastern city.
Experts say pressure could grow if disruption to the vital energy route continues.
Footage shows the aftermath of deadly blasts in Maiduguri in northeastern Nigeria.
US President Donald Trump criticises allies' reluctance to commit forces to open the key waterway for Gulf oil exports.
The 33-year-old Columbia University protester had been held in immigration detention centre for a year.
No group has claimed responsibility for the attacks, which took place amid the escalating Israel-US war on Iran.
Donald Trump claimed he ordered strikes on Iran to prevent a nuclear conflict that would have turned into World War III.
The US president delays March 31-April 2 trip to China to focus on the escalating war against Iran.