MONDAY MARCH 10
- Authorities double the search radius to 100 nautical miles (equivalent to 185 kilometres) around the point where MH370 disappeared from radar.
- China lashes out at Malaysia, saying it needs to speed up the investigation.
- Malaysia sends ships to investigate a sighting of a possible life raft, but a Vietnamese vessel that gets there first finds only flotsam.
- Chemical analysis by Malaysia disproves any link between oil slicks found at sea and the missing plane.
TUESDAY MARCH 11
- The search area now includes land on the Malaysian peninsula itself, the waters off its west coast, and an area to the north of Indonesia's Sumatra island - all far removed from the flight's scheduled route.
- Authorities identify the two men with stolen passports as young Iranians who are believed to be illegal immigrants - not terrorists.
WEDNESDAY MARCH 12
- Malaysia expands the search zone to include the Malacca Strait off the country's west coast and the Andaman Sea north of Indonesia, hundreds of kilometres away.
- Malaysia's air force chief says an unidentified object was detected on military radar north of the Malacca Strait early Saturday - less than an hour after the plane lost contact - but says it is still being investigated.
- At a heated news conference, Malaysian officials deny that the search is in disarray after China says conflicting information about its course is "pretty chaotic".
- It emerges that US regulators warned months ago of a problem with "cracking and corrosion" of the fuselage skin under the satellite antenna on Boeing 777s that could lead to a mid-air break-up – but the manufacturer later confirms that the warning did not apply to the missing plane, which had a different kind of antenna.
THURSDAY MARCH 13
- Malaysia dismisses a report in the Wall Street Journal which said US investigators suspect the plane flew on for four hours after its last known contact, based on data sent from its engines.
- Authorities in Kuala Lumpur also say that Chinese satellite images of suspected debris in the South China Sea are yet another false lead.
- India steps up its search, sending three ships and three aircraft to the remote Andaman and Nicobar Islands.
FRIDAY MARCH 14
- The hunt spreads west to the Indian Ocean after the White House cites unspecified "new information" that the jet may have flown on after losing contact.
- Malaysia declines to comment on US media reports that cite US officials as saying the plane's communication system - not the engines - continued to "ping" a satellite for hours after it disappeared, suggesting it may have travelled a huge distance.
SATURDAY MARCH 15
- A Malaysian senior military official says the missing jet was turned towards the Indian Ocean by a "skilled, competent" pilot.
- Malaysian Prime Minister Najib Razak announces the plane was flown for hours in a manner "consistent with deliberate action" after dropping off primary radar.
- At a nationally televised press conference, Najib says Malaysia is still investigating "all possibilities" as to what caused the airliner to deviate from its original flight path.
- Authorities in Kuala Lumpur call off the hunt in the South China Sea, as a US destroyer and surveillance plane join expanded search operations in the Indian Ocean.
- Malaysian police raid the home of Captain Zaharie Ahmad Shah, the pilot of the missing flight MH370, after Razak announces that investigators will refocus on the crew and passengers of the aircraft.