News of the day from across the globe, Jan. 21

1 Pedestrians killed: A man with a history of mental health and drug abuse issues drove into a street crowded with pedestrians in Australia’s second-largest city Friday, killing at least four people, including a child, and injuring around 15 others, police said.

An Afghan government official says two people, including a police commander, have been killed in an explosion in the country’s north after a sticky bomb was attached to the commander’s car.

Russia signed a long-term agreement Friday to greatly enlarge its military presence in Syria, more than doubling the space for warships in Russia’s only Mediterranean port and securing rights to an air base that may already be adding a second runway.

The agreement covers the port in Tartus and an air base near Latakia, which have been pivotal in Russian assistance to President Bashar Assad in fighting an array of insurgents.

Mexico has returned to Cuba the first contingent of Cuban migrants since former U.S. president Barack Obama decided Thursday to end a U.S. policy of granting residency to Cubans who arrive on U.S. soil.

Mexico’s National Immigration Institute said Friday it put 91 Cubans on a federal police airplane and flew them back to the island after the Cuban government accepted their return.

The Metropolitan Police force said officers were called Thursday “to reports of suspected World War II ordnance in the river” found by a dredger near the Houses of Parliament.