CAP HAITIEN, Haiti (Reuters) - Former Haitian president Jean-Bertrand Aristide said on Saturday that dehydration caused him to faint at an election rally for his party's presidential candidate on Friday night.

ZURICH (Reuters) - Novartis's investigational multiple sclerosis drug cut the risk of disability progression in patients with a tough-to-treat form of the disease versus a placebo, the Swiss company said on Saturday, citing a new analysis of a late-stage trial.

BRUSSELS (Reuters) - A 17-year-old has committed doctor-assisted suicide in Belgium, the first minor to do so under rules adopted in 2014 allowing euthanasia for people of all ages, the head of the national committee for euthanasia said on Saturday.

NEW YORK (Reuters) - An election analysis conducted in the Reuters/Ipsos States of the Nation project shows that the race has tightened considerably over the past few weeks, with Republican presidential nominee Donald Trump projected to win Florida, an essential battleground state, if the election were held today.

(Reuters) - State officials in Florida on Friday tripled the active Zika transmission zone in the trendy seaside community of Miami Beach after five new cases of the mosquito-borne virus believed to cause a severe birth defect were identified in the area.

Sept 17 (Reuters) - Two Fort Worth, Texas police officers were shot on Friday when they responded to a suicide call at a home on the south side of the city, police said.

CAPE TOWN (Reuters) - South African cleric and anti-apartheid icon Desmond Tutu was readmitted to hospital on Saturday to treat an infection following a surgery last week, his family said.

Sept 17 (Reuters) - Two Fort Worth, Texas police officers were shot on Friday when they responded to a possible suicide at a home on the south side of the city, police said.

WASHINGTON (Reuters) - A senior adviser to Democratic Republic of Congo President Joseph Kabila said on Friday he was on a "pleading mission" to Washington to press U.S. officials to support talks between the government and opposition on setting up new elections and not to impose sanctions that could hurt the process.