The move is an attempt to squeeze Pyongyang's use of seagoing trade to feed its nuclear missile program.
"She has the appropriate access to brief the president" of South Korea, Treasury Secretary Steven Mnuchin said of Ivanka Trump.
President Donald Trump issued one of his most open criticisms of Russia, claiming it is breaking ranks with U.S. and China on North Korea.
North Korea has a history of producing and exporting meth.
One of the alcohol shipments was meant to arrive in North Korea ahead of an event dedicated to the late Kim Jong Il.
The seizing of the ship is part of ongoing efforts to implement U.N. Security Council resolutions on North Korea.
The ship-to-ship fuel transfers were "in breach of sanctions," a security source said.
South Korean authorities believed the vessel made a ship-to-ship transfer of 600 tons of oil products to a North Korean tanker.
Kenji Fujimoto served as the personal chef of former leader Kim Jong Il.
Robbers stole 1,200 bottles of whisky and 200 cases of wine from a diplomat's house.
The U.S. has long considered North Korea's space program to be a pretext for developing missile technology.
The U.N. Security Council is expected to vote on a resolution imposing new restrictions on North Korea on Monday afternoon.
Experts believe that backing North Korea into a corner could have unintended consequences.
Trump's threat to cut trade with North Korea's trade partners could be bad for the U.S. economy, experts warn.
North Korea's new tourism agency, run with help from the embassy, will offer Russians deals to visit "one of the safest countries in the world."
The Gulf state made the announcement after issuing conflicting reports on whether it would stop giving visas to North Korean workers.
The new round of U.N.-mandated sanctions target vital sectors for the North Korean economy.
North Korea has been seeking to develop long-range missile technology for over 20 years.
The African country's ties to Pyongyang could be holding up the removal of sanctions after 20 years.
U.S. officials have long said North Korea uses the bank accounts of diplomats to help Pyongyang conduct business around the world.
Economic sanctions against North Korea have done little to change it.
The country's terrain makes it particularly susceptible to flooding.
News agency says nuclear power efforts will continue 'in quality and quantity.'