• Ukrainian drones targeted St. Petersburg's oil terminal just before a major economic forum.
• President Zelensky confirmed the strikes aimed at military and energy infrastructure.
• The forum, attended by 20,000 guests, is viewed as a key event to attract foreign investment.
• No casualties were reported, but significant damage to infrastructure was confirmed.
• Kremlin officials promised a "systematic" response to the attacks.

Ukrainian drones struck key energy and military sites in St. Petersburg on June 3, just as the city prepared to host the annual Saint Petersburg International Economic Forum, an event touted by President Vladimir Putin that aims to showcase Russia to global investors. The drones targeted crucial facilities including the St. Petersburg Oil Terminal and the Kronstadt naval base, further escalating the ongoing conflict between Ukraine and Russia, according to SCMP and Reuters.

The attacks, described as part of Ukraine's strategy of "long-range sanctions" against Russia, caused significant disruptions, including closures at the Pulkovo airport, which experienced flight suspensions for several hours. Governor Alexander Beglov reported that there were no fatalities from the strikes, although infrastructure damage occurred across three districts of the city, as stated by NPR and BBC.

President Zelensky noted that the drones traveled over 600 miles to reach their targets, emphasizing Ukraine's capability to strike deep into Russian territory. This operation coincided with a resurgence of tension as Russia had carried out significant drone and missile strikes on Ukrainian cities just a day earlier, resulting in numerous civilian casualties, according to information from India Times and Le Monde.

The forum’s attendees include around 20,000 delegates from 130 countries, who witnessed clouds of black smoke from the oil terminal during their engagements, creating a stark backdrop to the event. The gathering, which once drew high-profile Western leaders, has seen diminished participation from international investors due to ongoing geopolitical tensions, as noted by Los Angeles Times and SCMP.

In response to the strikes, Kremlin spokesman Dmitry Peskov declared that they would convey a "systematic" response, reflecting Russia's intention to retaliate against these deep incursions into their territory. Meanwhile, the escalating conflict continues to manifest in both military fronts and economic arenas, as indicated by Reuters and India Times.