A thick layer of toxic smog wreathed Bangladesh’s capital of Dhaka on Wednesday as the air quality index plummeted into the “hazardous” category, while similar conditions prevailed in New Delhi, the capital of neighboring India.

Apple on Tuesday appealed a decision to ban imports of its watches based on a complaint from medical monitoring technology company Masimo (MASI.O), after U.S. President Joe Biden’s administration declined to veto a government tribunal.

Bristol Myers Squibb said on Tuesday it would buy RayzeBio for about $4.1 billion to bolster its cancer drug business, marking the second multi-billion dollar deal struck by the drugmaker in less than a week.

AstraZeneca

AstraZeneca said on Tuesday it will buy Gracell Biotechnologies for up to $1.2 billion as the Anglo-Swedish pharma company furthers its cell therapy ambitions and boosts its presence in China, the world’s second-largest pharmaceuticals market.

Bayer

Bayer has won a trial in a lawsuit brought by a California man who said he developed cancer from exposure to its Roundup weedkiller, ending what had been a five-trial losing streak for the company in trials over similar claims.

The Irish biopharma company did not provide specific data in Thursday’s announcement but said that compared with placebo “there was not a statistically significant decrease” in post-traumatic stress disorder (PTSD) symptoms in patients treated with JZP150. The investigational drug also failed key secondary endpoints, including clinician- and patient-assessed disease severity.

AstraZeneca

The drug, branded as Wainua, is approved for patients with polyneuropathy, or nerve damage caused by hereditary transthyretin amyloidosis (ATTR-PN), which affects an estimated 40,000 patients globally.

The acquisition announced on Friday will give Bristol Myers Squibb ownership of Karuna Therapeutics’ investigational antipsychotic KarXT, which is being tested for schizophrenia and Alzheimer’s disease psychosis.

Danish drugmaker Novo Nordisk and the FDA are testing the seized products and do not yet have information about the drugs’ identity, quality or safety, the agency said.

Merck

The regulator’s Complete Response Letter on Wednesday said Merck’s data package for gefapixant “did not meet substantial evidence of effectiveness.” The FDA also rejected the drug in 2022 due to a lack of efficacy evidence.