Complex sentence: By morning, the creature has tripled in size, and McIntosh arrives in Gerra, accompanied by government scientist Dr. Justin Uhl, and meets with Calder and Signore Contino, a representative of the Italian government.
Split into simpler sentences: By morning, the creature has tripled in size. That same morning, McIntosh arrives in Gerra, accompanied by government scientist Dr. Justin Uhl, and meets with Calder and Signore Contino, a representative of the Italian government.