The death toll from the collapse of a Mumbai apartment block jumped to 45 late Saturday, and was expected to climb higher as rescuers worked through the night searching for more victims, officials said.

"We've got 45 bodies now," Alok Avasthy, a senior official of the National Disaster Management Authority told Agence France Presse.

A five-story residential block collapsed in Mumbai at daybreak on Friday, killing at least 13 people and trapping dozens, in the latest building disaster to hit India's financial capital.

By Friday night, rescue workers had managed to pull out nearly 50 survivors from the debris of the flattened block, owned by the civic administrative body, the Municipal Corporation of Greater Mumbai, in the east of the city.

A young photographer gang-raped in Mumbai last week in an attack that sparked outrage has been discharged from hospital after "improving steadily", staff said Wednesday.

The 22-year-old woman was assaulted while on assignment for a magazine in central Mumbai with a male colleague, who was tied up and beaten, police say.

Mumbai police Sunday arrested the fifth and final member of a gang suspected of raping a photographer, a crime that reignited anger about women's safety in India following a similar attack last year.

A Mumbai police team arrested the suspect in the capital New Delhi over the brutal attack on the woman as she was taking photographs in India's financial hub with a male colleague, a police official said.

Mumbai police arrested a second man Saturday on accusations of gang-raping a female photographer in the Indian financial hub, an attack that has renewed anger over the country's treatment of women.

Echoing a similar assault in New Delhi in December that sparked nationwide protests, five men gang-raped a woman in her early twenties in central Mumbai when she was on a magazine assignment with a male colleague on Thursday evening.

A diesel-powered Indian submarine exploded and sank Wednesday in a Mumbai dock, killing an unknown number of 18 crewmen on board and setting back the navy's ambitious modernization drive.

The fully-armed INS Sindhurakshak, returned by Russia earlier this year after a major refit, is nose-down in the water, with just a small part visible above the surface, the navy said.

The famed dabbawalas of Mumbai are celebrating the birth of the Duke and Duchess of Cambridge's baby with the Indian tradition of passing out sweets.

Thousands of dabbawalas each day pick up lunches at workers' homes and deliver the lunches to them at their offices. They have been hailed for their efficiency and Prince Charles visited them a decade ago, creating a connection with the men.

A two-storey building housing apartments and garment makers has collapsed near Mumbai, killing one person, police said Thursday -- the fifth deadly collapse around the Indian financial capital in the past few months.

Rescue teams rushed to the scene late Wednesday in Bhiwandi city in western Maharashtra state, about 40 kilometers (24 miles) northeast of Mumbai.

An apartment block collapsed in Mumbai's outskirts Friday, killing at least 10 people in the latest deadly incident to fuel concerns about the quality of construction in the booming Indian city.

Rescue workers were using hand-held wire cutters and excavators to search through the rubble for survivors after the building on Mumbai's outskirts collapsed while many of its residents were sleeping, officials said.

The death toll from an apartment block collapse in central Mumbai has risen to 10, police said Wednesday, as they ended nearly two days of search and rescue operations.

A section of the five-storey Altaf Manzil building collapsed late on Monday, followed by the cave-in of another part of the structure.