CAIRO (Reuters) - Hotels in Egypt have implemented government safety regulations which include having an on-site clinic with resident doctor, regular temperature checks of guests and a quarantine area, as they try to attract domestic tourists, hotel officials said.

WASHINGTON (Reuters) - State-backed hackers from China have targeted staffers working on the U.S. presidential campaign of Democrat Joe Biden, a senior Google security official said on Thursday. The same official said Iranian hackers had recently targeted email accounts belonging to Republican President Donald Trump's campaign staff.

SAN FRANCISCO (Reuters) - Facebook Inc will start labeling Russian, Chinese and other state-controlled media organizations, and later this summer will block any ads from such outlets that target U.S. users, it said on Thursday.

June 4 (Reuters) - Iranian Foreign Minister Mohammad Javad Zarif confirmed the release of an Iranian-American imprisoned in the United States and a U.S. Navy veteran imprisoned in Iran in a tweet on Thursday.

AMMAN (Reuters) - Syrian air defences thwarted an unidentified missile attack on a city in northwestern Hama province, state media said on Thursday.

WASHINGTON, June 4 (Reuters) - The United States will allow Majid Taheri, an Iranian-American physician, to travel to Iran for a visit as part of an agreement between Iran and the United States that included American citizen Michael White's release, Taheri's lawyer told Reuters on Thursday.

WASHINGTON (Reuters) - A U.S. Navy veteran detained in Iran since 2018 was freed on Thursday and was on his way back home, his family and President Donald Trump said, in a rare instance of cooperation between the archenemies.

ANKARA, June 4 (Reuters) - President Tayyip Erdogan vowed on Thursday to ramp up Turkey's support for its ally in Libya to lock in recent military gains, and promised joint exploration for oil at sea following talks in Ankara ahead of a potential ceasefire push.

DUBAI, June 4 (Reuters) - Emirates and Etihad Airways will resume some transit flights after the United Arab Emirates (UAE) lifted a suspension on services where passengers stop off in the country to change planes, or for refueling.