How was Elijah taken up into heaven?

Answer: In a whirlwind

A chariot of fire with horses of fire separated Elijah from Elisha, and Elijah went up into heaven in a whirlwind.

“As they were walking along and talking together, suddenly a chariot of fire with horses of fire appeared and separated the two of them, and Elijah went up into heaven in a whirlwind.”— 2 Kings 2:11 (BSB)